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Alborosie
3 years ago
15

The measure of the supplement of an angle is 12° less than twice the measure of the angle. What is the measurement, in degrees,

of the angle and its supplement?
​The measurement of the angle is ______ degrees.

​The measurement of the supplement is ______ degrees.
Mathematics
1 answer:
katrin2010 [14]3 years ago
6 0

Answer:

The measure of the angle is <u>64</u> degree.

The measure of the supplement is <u>116</u> degree.

Step-by-step explanation:

Let the measure of the angle be 'x'.

Given:

Supplement of the angle is 12 less than twice the measure of the angle.

Twice the angle means 2 times of the angle which is 2x and 12 less means 12 is subtracted from 2x.

So, supplement of the angle = 2x-12

Now, by definition of supplementary angles, if two angles are supplement of one another, then their sum is 180 degrees.

Therefore, the sum of the given angles = 180°

⇒ x+2x-12=180

⇒ 3x-12=180

⇒ 3x=180+12

⇒ 3x=192

⇒ x=\frac{192}{3}=64\°

The measure of the supplement = 2(64)-12=128-12=116

The measure of the angle is <u>64</u> degree.

The measure of the supplement is <u>116</u> degree.

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