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The complement of the supplement of 138° is-
Question

The complement of the supplement of 138° is-

A.

42°

B.

48°

C.

38°

D.

90°

Correct option is B

Given:
We are to find the complement of the supplement of 138°.
Concept used:
Supplement of an angle = 180° − angle
Complement of an angle = 90° − angle
Solution:
Supplement of 138° = 180° − 138° = 42°
Complement of 42° = 90° − 42° = 48°
Correct answer is (b) 48°.

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