In a cone , its radius = 5 cm , height =12 cm
Find (A) Slant height =
(B) C.S.A =
(C) T .S .A =
(FIND VALUE IN TERMS OF Π) (NOT PUT VALUE OF Π) plz step by step
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Answer:
l
Step-by-step explanation:
r = 5
h = 12
A) Slant height = √r²+h²
= √25+144
= √169 => 13
B) C.S.A = πrl sq. units
= (13×5)π sq. units
= 65π sq units
C) T.S.A = πr (l+r) sq. units
= 5π (13+5)
= 5π(18)
= 90π sq units
Answered by
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l = 13cm
CSA= 65πcm
TSA= 90πcm
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