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denis23 [38]
3 years ago
8

Find the lateral area of this cone.

Mathematics
2 answers:
solmaris [256]3 years ago
8 0

Answer:

Lateral is 180π

SURFACE AREA IS 340π

Step-by-step explanation:

tatyana61 [14]3 years ago
7 0

Given:

Radius of the base of the cone = 12 in.

The slant height of the cone = 15 in.

To find:

The lateral surface area of the given cone.

Solution:

The lateral surface area of the cone is:

LA=\pi rl

Where, r is the radius of the base of the cone and h is the slant height of the cone.

Putting r=12,h=15, we get

LA=\pi (12)(15)

LA=180\pi

The lateral surface area of the cone is 180π in ² and the missing value for the blank is 180.

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