4. Find the height and slant height of a right circular cone of radius 4 cm whose total surface area is 616cm square
Answers
Answered by
4
Answer:
44.84cm
Step-by-step explanation:
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Answered by
12
Answer : 45cm
Step by step explanation :
radius - 4 cm
T.S.A - 616cm²
πr(l+r)
22/7×4(l+4)=616
88/7(l+4)=616
l+4=616×7/88
l+4=49
l=49-4
l=45cm
slant height=45cm
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