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Nostrana [21]
3 years ago
5

The sum of the measures of two complementary angles is 90 . If one angle measures 18 more than twice the measure of the other ,

find the measure of the smaller angle .
Mathematics
1 answer:
sashaice [31]3 years ago
4 0

Answer:

24 degrees.

Step-by-step explanation:

Let's let the two angles be A and B.

First, since they're complementary, they total 90. Thus:

A+B=90

If one angle (let's use A) is 18 more than twice the other, this means that:

A=18+2B

Substitute this into the first equation:

18+2B+B=90

Combine like terms:

3B+18=90

Subtract 18 from both sides:

3B=72

Divide both sides by 3:

B=24

So, angle B is 24 degrees.

And angle A is 2(24)+18=66 degrees.

So, the smaller angle is 24 degrees.

And we're done!

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