The lateral area is thrice as big as the base area of a soli

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IB ACIO Grade II Previous Paper 5 (Held on: 18 Feb 2021 Shift 2)
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The lateral area is thrice as big as the base area of a solid cone. If the diameter of the solid cone is 1 meter, then what is the total surface area of solid cone?

[IB ACIO Grade II Previous Paper 5 (Held on: 18 Feb 2021 Shift 2)]

A

8π Sq. m.

B

2π Sq. m.

C

π Sq. m.

D

4π Sq. m.

EXPLANATION

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