Question

There is a supplementary angle with a ratio of 3:7. What is the measure of the larger angle?

Answer 1

126 degrees

Explanation:

3:7 means a total of 10; divide 180 by 10 to get 18; each 1 is 18; 18 * 7 is 126

Answer 2

126°

Explanation:

Step 1:

3 : 7 Ratio

Step 2:

3x + 7x = 180° Substitution

Step 3:

10x = 180° Combine Like Terms

Step 4:

x = 180° ÷ 10 Divide

Step 5:

x = 18°

Step 6:

18° × 7 Multiply

Answer:

126°

Hope This Helps :)