Question

ANGLE A and ANGLE B are supplementary angles if ANGLE A : ANGLE B= 3:7 then ANGLE B=​

Answer 1

Answer:

here is your answer

Step-by-step explanation:

ratio 3:7

sum of supplementary angles = 180

i.e 3x + 7 x = 180

10x = 180

x = 18

3x = 3*18 = 54

7x = 7*18 = 126

hence angle B is 126

Answer 2

Answer: See below

Step-by-step explanation:

Answer:

See Below

Step-by-step explanation:

Let 3:7 be 3x + 7x

So, 3x + 7x = 180 degrees

10x = 180 degrees

x = 180 degrees / 10

x = 18 degrees

So, 3 x 18 = 54 degrees

And 7 x 18 = 126 degrees

Ans = 126°