The measure of two angles in a triangle are shown in the diagram.
the top of the triangle shows 80 and the bottom left shows X
Which equation can be used to find the value of x?
Responses
A 80 + 2x = 18080 + 2 x = 180
B 2(80) + x = 1802(80) + x = 180
C 80 + 2x = 36080 + 2 x = 360
D 2(80) + x = 360
1 answer
A 80 + 2x = 180