14)The TSA of a cone whose radius is r/₂ and slant height 2l is *
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Answered by
1
Answer:
hope this helps uh out...
Attachments:
adjdjdj:
which part u didn't understand dude??
) 2πr(l + r)
(b) πr(l + r/₄ )
(c) πr(l + r)
(d) 2πrl
(b) πr(l + r/₄ )
(c) πr(l + r)
(d) 2πrl
these are opt given with question
option b
ok thanks mam
mp:)
i mark you brainlist :-:-):-):-)
thank you ;)
you welcome
your
Answered by
1
Step-by-step explanation:
Answer
Total surface area of cone=πr(r+l)
Given, radius =
2
r
and slant height =2l
Therefore new total surface area of cone =π
2
r
(
2
r
+2l)
=π(
4
r
2
+rl)
=πr(l+
4
r
)
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