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Romashka-Z-Leto [24]
3 years ago
9

12. 21 and 22 are supplementary. The measure of 1 is three times the measure of 2. What is m2?

Mathematics
1 answer:
azamat3 years ago
5 0

Answer:

The measure of angle 2 is 45 degrees

Step-by-step explanation:

Mathematically, when two angles are supplementary, the sum of these angles will be equal to 180 degrees

Let the measure of angle 2 be x

The measure of angle 1 is 3 times this and that will be 3 * x = 3x

The sum of both will be 180

x + 3x = 180

4x = 180

x = 180/4

x = 45

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