Question : Find the curved surface area of a cone whose radius of the base is 7 cm and slant height is 8 cm. [Use $\pi=\frac{22}{7}$]
Option 1: 132 cm2
Option 2: 198 cm2
Option 3: 154 cm2
Option 4: 176 cm2
Answer (1)
16th Jan, 2024
Correct Answer: 176 cm 2
Solution :
According to the question
radius = 7 cm and slant height = 8 cm
Curved surface area of a cone = $\pi$ × radius × slant height
= $\frac{22}{7}$ × 7 × 8
= 176 cm
2
Hence, the correct answer is 176 cm
2
.
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