Question

Write down the angle complementary to (20 degree + x)

Answer 1

$20° \: + x = 90° \\ x = 90° - 20° \\ x = 70° \:$

Answer 2

Answer:

As we know for becoming a complementary angle the sum of both the angles should be 90

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Let the complementary angle be x

20

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+x=90

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⇒x=70

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