173k views
0 votes
Find the total surface area of the solid shown, correct to the nearest cm2

Find the total surface area of the solid shown, correct to the nearest cm2-example-1

1 Answer

3 votes

Answer:


550.44m^2

Explanation:

You need both formulas to solve for area on a cone


A=\pi rl+\pi r^2\\l=√(r^2+h^2)


A=\pi r(r+√(h^2+r^2))\\ =\pi *6.4*(6.4+√(17^2+6.4^2))\\ 493.90cm^2(cone)


A=2\pi r^2\\=2\pi 3^2\\=56.54m^2(hemisphre)


493.90+56.54=550.44m^2

User Rodgdor
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories