Answer:
f = 120
Step-by-step explanation:
The triangle is an equilateral triangle so each angle is 60 degrees
The interior angle plus f form a line which is 180 degrees
60 +f = 180
Subtract 60 from each side
60+f-60 =180-60
f = 120
Answer:
7800
Step-by-step explanation:
D because it helps better and explains better and makes most sense
Step-by-step explanation:
8.D
9.D
10.B
11. 120
12.C
13.D
14a.95
14b.180
15.5