Find the measure of angle ABC.
A. 124
B. 97
C. 56
D. 51
![Find the measure of angle ABC A 124 B 97 C 56 D 51 class=](https://us-static.z-dn.net/files/d70/e0e74ea76c46807d888a3c5de79d9639.png)
Answer D. 51
Step-by-step explanation:
Sum of the interior angles of a triangle is up to 180
.: 32+(2x-15) + (x-5) = 180
Group like terms
2x+x =180 - 32 + 15 + 5
When - and + sign cross equal sign it turns to the opposite
3x = 168
x= 168/3
.: X =56
Now put x = 56 in (x - 5)
Angle ABC = 51