Find the surface area of the cones below. 15 in. 4 in. 1. What do we know? r= l=

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter8: Areas Of Polygons And Circles
Section8.CT: Test
Problem 12CT
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Find the surface area of the cones below.
15 in.
4 in.
1.
What do we know?
r=
l=
S= nr²+rrl
S= n* ( )?+r*( )* (
S= n* ( )+n*( )
S= ( )n
Transcribed Image Text:Find the surface area of the cones below. 15 in. 4 in. 1. What do we know? r= l= S= nr²+rrl S= n* ( )?+r*( )* ( S= n* ( )+n*( ) S= ( )n
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