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alekssr [168]
3 years ago
9

The supplement of a angle 30 degrees less than twice the measure of the angle itself. Find the angle and supplement

Mathematics
2 answers:
In-s [12.5K]3 years ago
7 0

Answer:

The angle: 70\°

The supplement: 110\°

Step-by-step explanation:

By definition, if the sum of two angles is 180 degrees, then this angles are called "Supplementary Angles".

Let be:

x the angle (in degrees) and 2x-30 its suppplement (in degrees).

Therefore, you can write the following equation in order to find the angle and its supplement:

x+2x-30=180

Now, you must solve for "x". Then:

3x=180+30\\\\x=\frac{210}{3}\\\\x=70

Then:

 2x-30=2(70)-30=140-30=110

Alisiya [41]3 years ago
3 0

Answer:

Find the supplement of a 55° angle, in degrees.

Step-by-step explanation:

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