Selina solutions

Selina solutions

Grade 6

Angles (With their Types) | Revision Exercise

Question 1

Q1)

Explain what do you understand by :

(i) Adjacent angles ?

(ii) Complementary angles ?

(iii) Supplementary angles ?

Solution:

(i) Adjacent angles : Two angles are called adjacent angles if a) They have a common vertex

b) They have one common arm and

c) The other two arms of the angles are on the opposite sides of the common arm

(ii) Complementary angles : Two angles whose sum is 90° are called complementary angles of each other

(iii) Supplementary angles : Two angles whose sum is 180° are called supplementary angles to each other

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subject-cta

Question 1

Q1)

Explain what do you understand by :

(i) Adjacent angles ?

(ii) Complementary angles ?

(iii) Supplementary angles ?

Solution:

(i) Adjacent angles : Two angles are called adjacent angles if a) They have a common vertex

b) They have one common arm and

c) The other two arms of the angles are on the opposite sides of the common arm

(ii) Complementary angles : Two angles whose sum is 90° are called complementary angles of each other

(iii) Supplementary angles : Two angles whose sum is 180° are called supplementary angles to each other

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subject-cta
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