Class 8

Understanding Quadrilaterals question bank (Mathematics)

Practice 43 free Class 8 Mathematics - Understanding Quadrilaterals questions with answers and step-by-step solutions.

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Q1.

Two adjacent angles of a parallelogram are in the ratio $4 : 5$. What are the measures of these angles?


(A)
$60^\circ, 120^\circ$
(B)
$70^\circ, 110^\circ$
(C)
$90^\circ, 90^\circ$
(D)
$80^\circ, 100^\circ$
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Q2.

Consider the mathematical concept of 'Polygons and Angle Sum Property' in the chapter 'Understanding Quadrilaterals'. Which property holds true?


(A)
Standard algebraic/arithmetic axioms and identity theorems apply rigorously to Polygons and Angle Sum Property
(B)
Equations cannot be verified by substitution
(C)
Commutative property never holds for addition
(D)
Negative numbers have no real meaning in algebra
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