Question

Find the angle which is four times its compliment is 10° less than twice its complement.

a. 15° b. 10° c. 25° d. 5°


correct answer

Answer 1

25∘

explanation:

Let angle =x

Complement of angle =90−x

Supplement of angle =180−x

From question

7(90∘−x)=3(180∘−x)−10

4x=100

x=25°

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