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Q.

What is the complement angle of the angle of 12.7o?

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a

{77.4}^{\circ}

b

{67.3}^{\circ}

c

{76.3}^{\circ}

d

{77.3}^{\circ}

answer is D.

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Detailed Solution

We have been given an angle of 12.7o.
Question Image

Question Image

We know that, the two angles are complementary when their sum is of

90^{o} .

We have given,
The one complementary angle is

{12.7}^{o} .

Measure of the other complementary angle,

\Rightarrow 90^{o} - {12.7}^{o}

\Rightarrow {77.3}^{o}

Therefore, the measure of a complementary angle of

{12.7}^{o} is {77.3}^{o}

.
Hence, option 4 is correct.

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