Question

Curved surface area of a cylinder is 1980 cm2 and radius of its base is 15cm .find the height of the cylinder(π=22/7)


Solution plzzzzzzzzzz
It's urgent
9th std geometry

Answer 1

Curved surface area of cylinder=2πrh

1980=2×22/7×15×h

1980×7=44×15×h

13860=660×h

13860/660=h

1386/66=h

126/6=h

21=h

h=21

Answer 2

please mark it brainlest