One angle measures 18°, and another angle measures (6d − 6)°. If the angles are complementary, what is the value of d? d = 2 d = 13 d = 31 d = 36.2



Answer :

The value of d for the given angles will be equal to d = 13. The correct option is B.

What is the complementary angle?

The angle is defined as the span between two intersecting lines or surfaces at or close to the point where they meet.

Complementary angles are formed when the sum of two angles equals 90 degrees. 30 degrees and 60 degrees, for example, are complementary angles.

Given that one angle measures 18° and another angle measures (6d − 6)°.

The value of d will be calculated as,

18 + 6d - 6 = 90

6d + 12 = 90

6d = 90 - 18

6d = 78

d = 78 / 6

d = 13

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