Answer:
385
Step-by-step explanation:
260 divided by 4 =65
65 + 65 + 260= 385
Because in an equilateral triangle all angles should measure 60 degrees otherwise all sides would not be equal.
Answer:
D. 1/2
Step-by-step explanation:
Because if you choose A , you get +4
if you choose B ,you get -12
Choose C , you get +20
D is the correct answer.