NCERT Class 7 Mathematics Solutions: Chapter 5 –Linear and Angles Exercise 5.1 Part 1

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Understanding of Linear Pair, a straight angle contains 180 degree, the two angles forming a linear pair also contain 180 degree when their measures are added

Understanding of Linear Pair

Understanding of Linear Pair, a straight angle contains 180 degree, the two angles forming a linear pair also contain 180 degree when their measures are added

1. Find the complement of each of the following angles:

Given the Angle Which Made 20 Degree

Given the angle which made 20 degree are shown

Given the Angle Which Made 63 Degree

Given the angle 63 degree

Given the Angle Which Made 57 Degree

The angle, which made 57 degree angle

Answer:

Complementary angle given angle

(i) Complement of

(ii) Complement of

(iii) Complement of

2. Find the supplement of each of the following angles:

Given the Angle Which is Made 105 Degree

Given the angle

Given the Angle Which is Made 87 Degree

Given the angle made 87 degree

Given the Angle Which is Made 154 Degree

Showing angle which is made 154 degree

Answer:

Supplementary angle given angle

(i) Supplement of

(ii) Supplement of

(iii) Supplement of