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Question

If two complementary angles are in the ratio 3: 2, then what is the measure of the bigger angle?

A
90
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B
54
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C
18
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D
36
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Solution

The correct option is B 54

Given, two complementary angles are in the ratio 3:2.

Let the angles be 3x and 2x.

Since, the sum of two complementary angles is a right angle.
3x+2x=90

5x=90

x=18

Measure of the bigger angle
= 3×18
=54


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