Answer:
I don't know if you still need it but it's 4.25 or if you just want it..
Step-by-step explanation:
Answer:
B.
Explanation:
B is not a regular polygon because it's not all of the sides and angles are congruent.
Answer:
x=6,x=-7
Step-by-step explanation:
x^2+x-42=0
x^2-6x+7x-42=0
x(x-6)7(x-6)=0
(x-6)(x+7)=0
<span>Surface area</span> = 2πr(h+r) = 2 * 3.14 * 3(8+3) = 207.24 yd²