#### Diameter of the base of a cone is 10.5 cm and slant height is 10 cm. Find its curved surface area.

**Solution:**

#### Curved surface area of a cone is 308 cm^{2} and its slant height is 14 cm. Find

(i) radius of the base

(ii) total surface area of the cone.

**Solution:**

#### Find the volume of the right circular cone with

(i) radius 6 cm and height 7 cm

(ii) radius 3.5 cm and height 12 cm.

**Solution:**

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