Worksheet Solution: Shapes and Angles

# Worksheet Solution: Shapes and Angles Notes | Study Mathematics for Class 5: NCERT - Class 5

## Document Description: Worksheet Solution: Shapes and Angles for Class 5 2022 is part of Mathematics for Class 5: NCERT preparation. The notes and questions for Worksheet Solution: Shapes and Angles have been prepared according to the Class 5 exam syllabus. Information about Worksheet Solution: Shapes and Angles covers topics like and Worksheet Solution: Shapes and Angles Example, for Class 5 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Worksheet Solution: Shapes and Angles.

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(a)

Ans.
Rhombus
Sol:

• A rhombus can be defined as a special parallelogram as it fulfills the requirements of a parallelogram, i.e. a quadrilateral with two pairs of parallel sides.
• In addition to this, a rhombus has all four sides equal just like a square. That is why it is also known as a tilted square.
• Look at the image below to understand the relationship of rhombus shape with parallelogram and square.
(b)

Ans.
Square
Sol:
In Geometry, a square is a two-dimensional plane figure with four equal sides and all the four angles are equal to 90 degrees.
Square(c)

Ans.
Rectangle
Sol: A rectangle is a type of quadrilateral that has its parallel sides equal to each other and all the four vertices are equal to 90 degrees.
(d)

Ans.
Sol: An irregular quadrilateral is a quadrilateral with four sides that are not regular or the same. An irregular quadrilateral is also known as being the opposite of an equilateral quadrilateral.
(e)

Ans.
Parallelogram
Sol: A parallelogram is a simple quadrilateral with two pairs of parallel sides.

(f)

Ans.
Trapezoid
Sol: A quadrilateral with at least one pair of parallel sides is called trapezoid.

Q.2. Fill in the blanks:
(a) 1/3 of a right angle is ____
Ans.
30 degree

A right angle =90°
So, one-third of a right angle

=1/3×90° = 30°

(b) The number of right angles in a square is ____
Ans.
4
Sol:
In Geometry, a square is a two-dimensional plane figure with four equal sides and all the four angles are equal to 90 degrees.
Square(c) The clock time at which the hands of a clock forms an acute angle is ____
Ans.
2’O Clock

(d) Two times of a right angle is ____
Ans.
180 degree or straight line.

(e) ____ is used to measure an angle.
Ans.
Protractor

(f) Draw a clock showing the time 3’O clock and write the angle indicated on the clock face.
Ans.

(g) Write four English alphabets where you can see a right angle.
Ans.
E, F, H, L

(h) Write Sanu’s name by straight lines. Mark all the angles as acute, obtuse or right angle.
Ans.

(i) The number of right angles in S is 4.

(ii) The number of acute angle in A is 3 and obtuse angle is 2.

(iii) The number of acute angle in N is 2.

(iv) The number of right angles in U is 2.

(v) Total number of right angles = 6

(vi) Total number of acute angles = 5.

(vii) Total number of obtuse angle =2

(i) Draw an acute angle and name it.
Ans.

(j) Draw the positions of the hands of a clock at the given time and write the name of the angle thus formed Time: 2’O Clock
Ans.

Q.3.
(a) A train leaves the station at 9.30 am and reaches its destination at 5.45 pm. Find the duration of the journey.
Ans.
8 hours 15 minutes

(b) Convert into seconds: 7 minutes 55 seconds
Ans.
475 seconds

(c) Fill in the blanks: Freezing Point of water = ________ °C = ______ °F
Ans.
0, 32

(d) What time will it be: 5 hours 15 minutes after 2250 hours?
Ans.
04:50 am

(e) The maximum temperature of Noida on last Monday was 37.2 degree C while the minimum temperature was 15.4 degree C. What was the difference in temperature?
Ans.
21.8 degree C

(f) Geeta joined dance classes on 22 April for 25 days. Which date is the last class for her?
Ans.
17 May

(g) State the kind of weather when the temperature is: 4 degree Celsius
Ans.
Cold

(h) Complete the following: If starting date is 5 April and the duration is 35 days, the ending date will be _________.
Ans.
10 May

(i) Fill in the blanks: 4 minutes 15 seconds = ________ seconds
Ans.
255

(j) What time will it be: 4 hours 25 minutes before 2:05 am?
Ans.
9:40 pm

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