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10 votes
A. 113 cm²
B. 133 cm²
C. 133.14 cm²
D. 113.13 cm²​

A. 113 cm² B. 133 cm² C. 133.14 cm² D. 113.13 cm²​-example-1

2 Answers

6 votes

Answer:

D. 113.13 cm^2.

Explanation:

I am assumming you want the surface area of this cone.

This = area of base + area of the curved side

= π r^2 + π r L

= 4^2 π + 4*5 π

= 113.13 cm^2.

User KevM
by
4.1k points
10 votes

Explanation:

Surface area of cone = πr ( l + r)

= 22/7 × 4 (5+4

= 88/7 × 9

= 792/7

= 113.14 cm²

User Denis Kohl
by
4.1k points