A girl wishes to prepare birthday caps in the form of right circular cones for her
birthday party, using a sheet of paper whose area is 5720 cm², how many caps can be
made with radius 5 cm and height 12 cm.
Answers
Answered by
5
Step-by-step explanation:
Given
Radius = 5 cm
height = 12 cm
Slant height(l) =√ (5×5)+(12×12)
l = √3600
l = 60cm
TSA of 1 cone = πr (r+l)
area = 22/7× 5 (5+60)
7150/7 = 1021.42
Number of caps = 5720/1021.42
5.6
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Answered by
4
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