Question

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Answer 1

Step-by-step explanation:

given:-

Volume of cone(V)= 1212cm³

Height of cone(h)= 24cm

V = π r²h/3

1212 = 22/7 ×r²×24/3

r² = 1212×7/22 ×1/8

r² = 48.204

r = 6.942 cm

A = πr(r+√(h²+r²))

A = (22×6.942(6.942+√(24² + 6.942²)))/7

A = 152.74(6.942 + 53.848)/7

A = (152.74×60.79)/7

A = 1326.44 cm²