Find the measure of angle B in isosceles triangle ABC. A) 40° B) 55° C) 65° D) 85°

asked Aug 26, 2018 170k views

2 votes

Find the measure of angle B in isosceles triangle ABC.

A) 40°

B) 55°

C) 65°

D) 85°

8.1k points

Please log in or register to add a comment.

1 vote

am pretty sore that that's 65 degrees

Nunu answered Aug 29, 2018

by Nunu

8.0k points

6 votes

m (< B)= m (< C)= x ........ in isosceles triangle ABC
2x+50 grd=180 grd
2x=180-50=130
x=130:2
x=65 grades

The correct answer is C