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Class 7 Exam  >  Class 7 Tests  >  Important Questions: Practical Geometry - Class 7 MCQ

Important Questions: Practical Geometry - Class 7 MCQ


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20 Questions MCQ Test - Important Questions: Practical Geometry

Important Questions: Practical Geometry for Class 7 2024 is part of Class 7 preparation. The Important Questions: Practical Geometry questions and answers have been prepared according to the Class 7 exam syllabus.The Important Questions: Practical Geometry MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Important Questions: Practical Geometry below.
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Important Questions: Practical Geometry - Question 1
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Which among the following is used to construct a triangle?

Detailed Solution for Important Questions: Practical Geometry - Question 1

S.S.S. criterion can be used indirectly to construct a triangle given the lengths of its three sides.

Important Questions: Practical Geometry - Question 2
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In the given figure, find the measure of ∠ROT,  if   PQ=QR  and  ∠QPR=60o.

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Detailed Solution for Important Questions: Practical Geometry - Question 2

ΔPQR  is isosceles since PQ=QR. ∴ ∠QPR=∠QRP=60o. ∠RQT is the exterior angle of ΔPQR which is equal to the sum of interior opposite angles ∠P and ∠R . Hence, ∠RQT=60o+60o=120o.

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Important Questions: Practical Geometry - Question 3
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A triangular sign board is isosceles. If the unequal side is 7 cm and one of the equal sides is 6 cm, what is the measure of the third side?

Important Questions: Practical Geometry - Question 4
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Which of the following statements is incorrect?
Important Questions: Practical Geometry - Question 5
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Identify the true statement.
Important Questions: Practical Geometry - Question 6
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In which of the following cases is the construction of a triangle not possible?
Detailed Solution for Important Questions: Practical Geometry - Question 6

Unless and until you know length of one side you cannot tell at what distance the angles have to be drawn.

Important Questions: Practical Geometry - Question 7
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A Choose the correct option in which a triangle CANNOT be constructed with the given lengths of sides.
Detailed Solution for Important Questions: Practical Geometry - Question 7

The difference of any two sides of a triangle must be less than the third side. This property of triangles is not satisfied   by   the   given measurements as 0−7=3>2 and 10−2=8>7,though 7−2=5<10  is true.

Important Questions: Practical Geometry - Question 8
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Direction: David folds a sheet of paper. The dotted lines as shown in the figure are the creases formed, which are named as l, m and n. Which of the following is true?
Detailed Solution for Important Questions: Practical Geometry - Question 8

Clearly, l||m is true.

Important Questions: Practical Geometry - Question 9
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Direction: David folds a sheet of paper. The dotted lines as shown in the figure are the creases formed, which are named as l, m and n.   What can you say about lines I and n?
Detailed Solution for Important Questions: Practical Geometry - Question 9

A 90o  angle is formed at the intersection of l and n. So l⊥n

Important Questions: Practical Geometry - Question 10
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Direction: David folds a sheet of paper. The dotted lines as shown in the figure are the creases formed, which are named as l, m and n.  What do you call the line n with respect to the lines I and m?
Detailed Solution for Important Questions: Practical Geometry - Question 10

'n? cuts I and m at distinct points and also I and m are parallel. So, n is called the transversal.

Important Questions: Practical Geometry - Question 11
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Which of the following is used to draw a line parallel to a given line?
Detailed Solution for Important Questions: Practical Geometry - Question 11

 A line parallel to a given line can be drawn using a ruler and a compass.

Important Questions: Practical Geometry - Question 12
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How many parallel lines can be drawn passing through a point not on the given line?
Detailed Solution for Important Questions: Practical Geometry - Question 12

Through a given point, an infinite number of lines can be drawn. But only one of them will be parallel to the given line.

Important Questions: Practical Geometry - Question 13
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Based on the sides of a triangle, which of the following is a classification of triangles?
Important Questions: Practical Geometry - Question 14
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Which type of triangle is in the classification based on angles?
Important Questions: Practical Geometry - Question 15
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In which of the following cases can a triangle be constructed?
Important Questions: Practical Geometry - Question 16
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The measurements of ΔDEFare EF=8.4 cm, ∠E=103o and ∠F=85o. Which of the following is correct?
Detailed Solution for Important Questions: Practical Geometry - Question 16

The triangle cannot be constructed as it does not satisfy the angle sum property.

Important Questions: Practical Geometry - Question 17
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In ΔXYZ, x, y and z denote the three sides. Which of the following is incorrect'?
Detailed Solution for Important Questions: Practical Geometry - Question 17

The difference of two sides of a triangle is less than its third side.

Important Questions: Practical Geometry - Question 18
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Which of the following can be used to construct a 30o angle?
Detailed Solution for Important Questions: Practical Geometry - Question 18

Bisecting a 60o angle results in a 30o angle.

Important Questions: Practical Geometry - Question 19
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Study the steps of construction given.

Step1: Draw a ray OA.
Step2: With O as centre and any convenient radius draw an arc MN to cut  at M.
Step3: With M as centre and the same radius draw an arc to cut MN at P.
Step4: With P as centre and the same radius, draw an arc to cut MN at Q.
Step5: Draw OQ  and produce it to D. An angle AOD is constructed.

What is the measure of  ∠AOD ?
Detailed Solution for Important Questions: Practical Geometry - Question 19

The given steps of construction are to construct an angle of 120o. 

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Important Questions: Practical Geometry - Question 20
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 Satish followed the steps given in the box.
Step 1: Construct an angle of 90∘.

Step 2: Bisect the 90∘ angle.
Step 3: Bisect one of the angles obtained in step 2.

Which steps is not required to construct a 45o angle?.
Detailed Solution for Important Questions: Practical Geometry - Question 20

Following steps 1 and 2, an angle of 45o is constructed. So step 3 is not  required.

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Important Questions: Practical Geometry

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