Answer:
the first one
8x+5
Step-by-step explanation:
10x-2-2x+7= 8x+5
Answer:
It's an Equilateral triangle
Step-by-step explanation:
This is because of the fact that all of its sides are equal
Answer:
7598.80
Step-by-step explanation:
V=πr^2h
= 3.14 * 11^2 * 20
= 2420π or 7598.80