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Answered by
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Answer:
Step-by-step explanation:
L=√h^2+r^2
H=√l^2-r^2
H=√12 ^2+20^2
H=√144-400
H=√256=16
TSA OF CONE=22/7*12*20+16
22/7*12*36
22/7*432
1357
Answered by
0
Answer:
Step-by-step explanation:
L=√h^2+r^2
H=√l^2-r^2
H=√12 ^2+20^2
H=√144-400
H=√256=16
TSA OF CONE=22/7*12*20+16
22/7*12*36
22/7*432
1357
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