Question

The radius of the base and the height of a right circular cone are 7cm and 24cm respectively.Find the volume and total surface area of the cone.♥️❤​

Answer 1

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ans

Answer 2

ANSWERS :

Answer

AnswerGiven : radius (r)=7 cm height (h)=2 cm Then

${l}^{2} = {h}^{2} + {r}^{2} \\ = {24}^{2} + {7}^{2}$

$or \: l \: \ = \sqrt[]{625cm} = 25cm$

Total surface area of the cone

= Curved surface area + Area of base

$\pi \: rl + \pi \: r {}^{2} \\ (\frac{22}{7} \times 7 \times 25 ) + ( \frac{22}{7} \times 7 \times 7)$

${704cm}^{2}$