Question

A, B & C are angles of a triangle. If A - B = 20 & B-C = 30, then find the measure of all the angles,​

Answer 1

Step-by-step explanation:

IN A TRIANGLE, A+B+C=180

A-B=20

-C+B=30, B=C+30

A-C=50

A=C+50

C+50+C+50+C=180

3C+100=180

3C=180-100

C=80/3

C=~27

B=57

A=76