Answer:
i think both of them cant be
Answer: A
And the answer is literally on top of that question
Step-by-step explanation:
Circumference (C):

Area (A):

Answer:
314
Step-by-step explanation:
Area is pie(r^2
10x10=100
100x3.14 is 314
Answer:
140°
Step-by-step explanation:
total angle of a hexagon is 720. We know already 510°. That leaves 210°. The ratio between the two angles is 2:1, therefore angle CDE is 140° and angle DEF is 70 °