Question

An angle in an isosceles triangle measures 30°. What could the measures of the other two angles be? Consider all options.
QUICKLY

Answer 1

30+2x=180

2x=150

x=75°

Answer 2

Answer:

Step-by-step explanation:

Given,

Triangle ABC in isosceles

AngleB=AngleC

If AngleA=30°

A+B+C=180°

30°+B+B=180°

2B=180°-30°

2B=150°

B=150°/2

B=75°

C=75°

If B or C=30°

Then,A+B+C=180°

A+30°+30°=180°

A+60°=180°

A=180-60°

A=120°