Question

what is the formula to find total surface area of a frustum? if you are sure about the answer then only answer it. And fast I need it seriously.​

Answer 1

Answer:

here is your answer please mark me as brain list

Answer 2

$\huge \fcolorbox{hotpink}{pink}{answer}$

$\color{blue} \boxed{total \: surface \: area \: of \: frustum} \\ \color{red}{\pi(r1 + r2)l + \pi {r1}^{2} + \pi {r2}^{2} }$

Following values are always ..used in π .....

$\huge \boxed{\pi = > \frac{22}{7} \: or \: 3.14(approx) }$