Question

an isosceles triangle has two angles that measure 75 degrees. what is the measure of the third angle of the triangle?
A. 30
B. 40
C. 75
D. 90

Answer 1

Well what all do you know about triangles?

Answer 2

http://www.regentsprep.org/regents/math/geometry/gp6/Lisosceles.htm

Answer 3

they have 180 d

Answer 4

o its 30 i got

Answer 5

Never mind. So if this triangle has 2 angles that have 75 degrees, and the whole triangle has 180 degrees, what do you need to do?

Answer 6

cuz 180-75-75 is 30

Answer 7

Right.

Answer 8

Great job!