Q. 74.4( 5 Votes )

# A fez, the headge

Answer :

Given.

Radii of frustum are 12 cm and 5 cm

Slant height is 15 cm

Formula used/Theory.

CSA of frustum is π[R + r] × l

Area of material = CSA of frustum

= π[R + r] × l

= 3.14[12cm + 5cm] × 15cm

= 3.14 × 17cm × 15cm

= 800.7 cm^{2}

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