Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 66
Height of a right circular cone is 8 cm. If diameter of its base is 12 cm, then what will be the curved surface area of the cone?
Solution
Given, Diameter of the base of the cone = 12 cm
Then, Radius = 6 cm
Given, Height of the cone = 8 cm
Slant height of the cone = $$\sqrt{\text{Radius}^2+\text{Height}^2} = \sqrt{6^2+8^2} = \sqrt{36+64} = \sqrt{100} = 10 cm$$
Curved Surface area of the cone = $$\pi rL = \dfrac{22}{7} \times 6 \times 10 = \dfrac{1320}{7} cm^2$$
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
