Question

find the surface area of cone of radius 6cm and slant height 7cm​

Answer 1

Step-by-step explanation:

TSA(Cone)

$\pi \: r(l + r) \\ = \frac{22}{7} \times 6(7 + 6) \\ = \frac{132}{7} \times 13 \\ = \frac{1716}{7} \\ = 245 \frac{1}{7} cm {}^{2}$

Hope it helps you