Question

what is the area of the base of the cone below?

a) 2.4 ft^2
b) 4 ft^2
c) 22.5 ft^2
d) 26 ft^2

Answer 1

Answer:

$\frac{1}{3} \times 12 \times area = 90 \\ area = 90 \div 4 = 22.5$