Question

Chapter 7 (From Second Test Syllabus]
Ans
In A ABC, AB = AC, angleA = 2xº and angle B = x + 10°. Find the
measures of all the angles of triangle ABC.​

Answer 1

Answer:

Please find the attachment.

Answer 2

Answer:

∠A=80;∠B=50;∠C=50

Step-by-step explanation:

As AB=AC

∠B=∠C

∠A=2x

∠B=x+10

∠C=x+10

∠A+∠B+∠C=180°

2x+x+10+x+10=180°

4x+20=180°

4x=180-20°

4x=160°

x=160/4

x=40°

∠A=80;∠B=50;∠C=50