Please help quick
1) an iscosceles triangle includes two 72 degree angles. Which equation could be used to find the measure of the third angle?
A x + 72 = 180
B x = 180 - 72
C 72 ÷ x = 180
D 180 - 2(72) = x
Please answer quickly
3 answers
Since a triangle has 180 degrees, you would subtract the other two angles from that amount. Which equation fits that?
1 is d
An isosceles triangle includes two 72° angles. Which equation could be used to find the measure of the third angle?