Question

Two similar cones are shown in the image below.

What is the approximate surface area of the larger cone?

Answer 1

`28:R=24:8 \\24R=28*8 \\ \\R= (28*8)/(24) = (28)/(3) \\ \\s=28\\ \\A= R^2\pi +Rs\pi=R\pi(R+s)=(28)/(3) \pi((28)/(3) +28)\approx 1,095`