3 years ago

CAN SOMEONE HELP ME WITH B AND C PLEASE? I'LL MARK AS BARAINLIEST

1 answer:

6 0

Since the radius of the semi circle is 10 cm then the diameter is 20 cm, when folded, its circumference is now 20, given the circumference find the radius of the cone. i guess

Volume = 1/3 πr2 (l2﹣r2)1/2

circumference = 20 cm = πD

D=6.363636364

Radius = 6.363636364/2 = 3.181818182

l = 10

vol = 100.51cm3

curved s.a = πrl

=99.96cm2

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2 years ago

CAN SOMEONE HELP ME WITH B AND C PLEASE? I'LL MARK AS BARAINLIEST​

CAN SOMEONE HELP ME WITH B AND C PLEASE? I'LL MARK AS BARAINLIEST