Class 7

Lines and Angles question bank (Mathematics)

Practice 71 free Class 7 Mathematics - Lines and Angles questions with answers and step-by-step solutions.

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Q1.

An angle is $20^\circ$ more than its complement. Find the measure of the angle.


(A)
$35^\circ$
(B)
$45^\circ$
(C)
$65^\circ$
(D)
$55^\circ$
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Q2.

Consider the mathematical concept of 'Complementary, Supplementary, Vertically Opposite Angles' in the chapter 'Lines and Angles'. Which property holds true?


(A)
Standard algebraic/arithmetic axioms and identity theorems apply rigorously to Complementary, Supplementary, Vertically Opposite Angles
(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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