Question

Triangle ABC is isosceles.



What is true about the measure of angle B?

It is twice the measure of angle A.
It is twice the measure of angle C.
It is equal to the measure of angle A.
It is equal to the measure of angle C.

Answer 1

sum of angles in a triangle always 180
isosceles triangle base angles always measure the same

Answer 2

so its equal to one of those angles?

Answer 3

yes
now which one

Answer 4

I think its A

Answer 5

re-read my previous response

Answer 6

its equal to the measure of angle c

Answer 7

correct

Answer 8

thank you

Answer 9

for isosceles triangle remember the base is the side that is not one of the 2 equal lengths
you are welcome