Question 1

Question 1: Some angles are given below. Using the symbol of congruence write the names of the pairs of congruent angles in these figures.

Accepted Answer

i. ∠AOC ≅ ∠PQR ii. ∠DOC ≅ ∠LMN iii. ∠AOB ≅ ∠BOC ≅ ∠RST

Question 2

Question 1: Observe the given angles and write the names of those having equal measures. (Textbook pg. no. 8 and 9)

Accepted Answer

i. ∠ABC and ∠SPM ii. ∠NIT and ∠SRI iii. ∠PTQ and ∠RTS

Question 3

Question 2: Observe the image shown in the adjacent figure and answer the following questions. (Textbook pg. no. 9)

Accepted Answer

Question 3. Get bangles of different sizes but equal thickness and find the congruent ones among them. (Textbook pg. no. 10) Solution: [Students should attempt the above activities on their own.]

Question 4

Question 4: Find congruent circles in your surroundings. (Textbook pg. no. 10)

Accepted Answer

[Students should attempt the above activities on their own.]

Question 5

Question 5: Take some round bowls and plates. Place their edges one upon the other to find pairs of congruent edges. (Textbook pg. no. 10)

Accepted Answer

[Students should attempt the above activities on their own.]

Chapter 1 Geometrical Constructions Practice Set 7 Solutions