Question

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

Answer 1

Answer:

126  degrees

Step-by-step 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

Answer:

126°

Step-by-step 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 :)