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Area of a rectangle

Area of a circle.

Circumference of a circle

The value of pi

2𝝅𝒓

𝟐𝟐/𝟕 𝒐𝒓 𝟑.𝟏𝟒

l×b

𝝅𝒓^𝟐

2(l+b)

timer

1:00

Cylinder

What is the formula for finding the curved surface area of a cylinder?

A

2πr

B

2πrh

C

πr2

D

πrh

The base radius of a cylinder is 7 cm and its height is 10cm.Find the curved surface area of the cylinder.

Activity-Choice Board