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43 votes
43 votes
5 times the complement of an angle is 15 more than two times the supplement of the angle. Find the angle,

the complement, and the supplement.

User StrongYoung
by
3.1k points

1 Answer

13 votes
13 votes

Answer:

The angle measures 25°; the complement measures 65°; the supplement measures 155°.

Explanation:

The sum of the measures of two complementary angles is 90.

If the angles measure x and y, then x + y = 90.

Given angle x, then y = 90 - x.

The sum of the measures of two supplementary angles is 180.

If the angles measure x and y, then x + y = 180.

Given angle x, then y = 180 - x.

Let the angle be x.

Its complement is 90 - x.

Its supplement is 180 - x.

5(90 - x) = 2(180 - x) + 15

450 - 5x = 360 - 2x + 15

-3x = -75

Angle: x = 25

Complement: 90 - x = 90 - 25 = 65

Supplement: 180 - x = 180 - 25 = 155

Answer: The angle measures 25°.;, the complement measures 65°; the supplement measures 155°.

User Ayon
by
3.1k points
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