Question

35If the slant height of a frustum of a cone is 4cm and radii of its two circular ends are
5cm and 2cm, then its curved surface area is
A. 88cm
B. 22cm
C, 48cm²
D, 108cm​

Answer 1

Step-by-step explanation:

$area \: of \: square \: = side \: \times side \: \\ \\ = 5 \times 2 \\ = 10$

$same .area \: of \: squar e = side \times side$