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Test: Understanding Quadrilaterals- 1


10 Questions MCQ Test Mathematics (Maths) Class 8 | Test: Understanding Quadrilaterals- 1


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This mock test of Test: Understanding Quadrilaterals- 1 for Class 8 helps you for every Class 8 entrance exam. This contains 10 Multiple Choice Questions for Class 8 Test: Understanding Quadrilaterals- 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Understanding Quadrilaterals- 1 quiz give you a good mix of easy questions and tough questions. Class 8 students definitely take this Test: Understanding Quadrilaterals- 1 exercise for a better result in the exam. You can find other Test: Understanding Quadrilaterals- 1 extra questions, long questions & short questions for Class 8 on EduRev as well by searching above.
QUESTION: 1

Which of the following quadrilaterals has two pairs of adjacent sides equal and diagonals intersecting at right angles?

Solution:

Correct Answer :- b

Explanation:- A rhombus is a  parallelogram and a quadrilateral whose opposite sides are parallel and opposite angles are equal.

Area of Rhombus, A = (d1 x d2)/2

The perimeter of Rhombus, P = 4a units

The opposite angles of a rhombus are equal to each other.

In a rhombus, diagonals bisecting each other at right angles.

Diagonals bisect the angles of a rhombus

QUESTION: 2

If the sides of a triangle are produced in order,What is the sum of the exterior angles so formed?

Solution:

Suppose you have a ∆ABC
All the exterior angles will be equal to
(180-A)°
(180-B)°
(180-C)°
respectively (Angles on the same line) so if you sum it up it will be equal to 540 - (A+ B + C )
And by angle sum property A+B+C = 180°
Therefore Sum = 540 - 180 = 360°

QUESTION: 3

Given a parallelogram ABCD. AD = ....

Solution: BC ( because of opposite sides of the parallelogram are equal = )
QUESTION: 4

The sum of the measures of the three angles of a triangle is ______.
Solution:

Angle sum property of a triangle is that sum of 3 angles is 180º

QUESTION: 5

The ________ of a rhombus are perpendicular bisectors of one another.
Solution:
QUESTION: 6

Find the value of the unknown x in this parallelogram.
Solution:
QUESTION: 7

The opposite sides of a parallelogram are of ________ length.
Solution:

It’s a property of parallelogram that opposite sides of a parallelogram are equal and parallel.

QUESTION: 8

Which of the parallelograms has all sides equal and diagonals bisect each other at right angle?
Solution:

If two adjacent sides of a parallelogram are equal, then it is a rhombus.. A quadrilateral whose diagonals bisect each other at right angles is a rhombus.

In square all sides are equal and every angle is right angle.

QUESTION: 9

Which of the following quadrilaterals has two pairs of adjacent sides equal and diagonals intersecting at right angles?
Solution:

Rhombus, is a quadrilaterals has two pairs of adjacent sides equal and diagonals intersecting at right angles. A rhombus is a a parallelogram and a quadrilateral whose opposite sides are parallel and opposite angles are equal.

QUESTION: 10

State the name of a regular polygon of 5 sides.
Solution:

Pentagon have 5 sides .

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