What is the measure of ∠EFG in the triangle shown?
options:
A)
59°
B)
58°
C)
56°
D)
57°
![What is the measure of EFG in the triangle shown options A 59 B 58 C 56 D 57 class=](https://us-static.z-dn.net/files/dae/c8ca0cd16a3a9e90a83a7f88b259491d.jpg)
Answer:
58
Step-by-step explanation:
Angles in a triangle add up to equal 180
So 65 + 57 + ? must equal 180
Solve for ?
65 + 57 + ? = 180
Combine like terms
122 + ? = 180
Subtract 122 from both sides
122 - 122 + ? = 180 - 122
? = 58