Question

the base diameter of a cone 16m and its height is 17m then find i) C.S.A. ii) T.S.A

Answer 1

Hey there!!

Let r , and h be the radius and hight of the cylinder respectively
Give that -

r = 8
h = 17


Then, CSA = 2×22/7× 8×17

= 854.73 Cm^2 Approx

TSA = 2πr( h +r)

= 2×22/7×8(17+8)

= 1257.14 Cm^2

Hope this helps u!!

Answer 2

Answer ⤵️

Here,

Diameter of a cone= 16

Radii of a cone= 16/2=8 m

i) C.S.A= πrl

$\frac{22}{7} \times 8 \times 17 \\ = \frac{2992}{7} \\ = 427.42 \: {cm}^{2}$

ii) T.S.A = πr(l+r)

$\pi \: r(l + r) \\ = \frac{22}{7} \times 8(17 + 8) \\ = \frac{22}{7} \times 8 \times 25 \\ = \frac{4400}{7} \\ = 628.57 \: {cm}^{2}$

So,

i) C.S.A= 427.42 cm²

ii) T.S.A= 628.57 cm²

Step-by-step explanation:

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