Answer:
Step-by-step explanation:
Area of a circle is π times radius squared so
8) π times 11^2
121π
9) cut 60 in half to find radius so
π times 30^2
900π
10) π times 1.5^2
2.25π
= 3x(x + 2) + 8(x + 2)
= 3x^2 + 6x + 8x + 16
= 3x^2 + 14x + 16
