1.

The curved surface of a cylinder is 250 cm². If the cylinder is 12 cm high, find it's volume. Correct to 2 d.p.

Answer»

ong>Step-by-step EXPLANATION:

Diameter of cylinder = 20 cm

Radius (r) =

2

20

=10cm

CSA=1000cm

3

2πrh=1000

2(3.14)(10)h=1000

h=

2(3.14)(10)

1000

=15.9cm

and VOLUME = πr

2

2h

=(3.14)(10)

2

(15.9)

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