Question

The diameter of a cone is 10cm and slant hight is 14cm. Find its curved surface area.

Answer 1

Answer:

Answer:  CSA OF A CONE = π × R <RADIUS>× L <LENTH>

R=5CM

L=14 CM

FORMULA= π×R×L

22÷7×5×14

ANS = 220

Explanation:

Answer 2

The curved surface area is 220 cm².

Explanation:

Cone is a three-dimensional structure with a circular base where a set of line segments connects all the points on the base to a common point called apex. In order to calculate the curved surface area and the total surface area of the cone, we divide it into a circular base and a slanted upper part. The area of the slanted part gives you a curved surface. Total surface area is the sum of this circular base and curved surface area.

Given: Diameter of a cone = 10 cm.

Radius = 10 ÷ 2 = 5 cm.

Slant height = 14 cm.

Curved surface area = ?

Formula: Curved surface area = πrl

= $\frac{22}{7}\times5\times 14$

= 22 x 5 x 2

= 220 cm²

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