Question

curved surface area of a right circular cylinder of height 14 centimetre is 924 CM square find the radius of its base​

Answer 1

h= 14cm

CSA= 2πrh

924= 2×22×14×r÷7

924= 88r

10.5cm = r

Answer 2

Radius of base is 10.5 cm

Solution:

Given that,

curved surface area of a right circular cylinder = 924 square cm

height = 14 cm

To find: Radius of base

The curved surface area of a right circular cylinder is given as:

$CSA = 2 \pi r h$

Where,

r is the radius

h is the height

Substituting the values we get,

$924 = 2 \times \frac{22}{7} \times r \times 14\\\\924 = 88r\\\\r = \frac{924}{88}\\\\r = 10.5$

Thus, radius of base is 10.5 cm

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