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The circular base of a cone has a radius of 5 centimeters. The height of the cone is 12 centimeters, and the slant height is 13 centimeters. What is the approximate surface area of the cone? Use 3.14 for π and round to the nearest whole number. 267 cm2 283 cm2 456 cm2 487 cm2

User Twometer
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2 Answers

1 vote

Answer:

bee

Explanation:

its be because its true

User Jameslafferty
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3 votes

Answer: 283 cm2

Explanation:

The formula for finding the surface area of a cone is:

A=
\pi r(r+√(h2+r2)) Where r is the radius and h is the height.

Replacing:
\pi 5(5+√((12)2+(5)2)

Solving: 282,7 ≈ 283cm2

User Danielpiestrak
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