Math, asked by saluck, 5 months ago

If the T.S.A of a cone of radius 7 cm is 440 cm? then slant height is
(a) 23 cm
(b) 13 cm (c) 27 cm
(d) 20 cm

Answers

Answered by Anonymous

1

Answer:

l=13 cm

Step-by-step explanation:

r=7 cm

TSA=πr(r+l)=440

22/7*7(7+l)=440

22*(7+l)=440

7+l=20

l=20-7=13 cm

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