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- Write the ratio clearly.
- Find the common multiplier.
- Apply it to the missing term.
Correct Answer: B
Correct Answer: B
Method / Topic: Mensuration
The answer keeps the ratio proportional.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Mensuration
<table cellspacing="0" style="border-collapse:collapse; height:20px; width:85px">
<tbody>
<tr>
<td style="border-bottom:none; border-left:none; border-right:none; border-top:none; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:#000000">Use curved surface area=πrl. Substituting radius 7 cm and slant height 10 cm gives 220 cm².</span></td>
</tr>
</tbody>
</table>
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Learn + Solve: Shortcut, Trap & Fast Route Click to view shortcut, steps, and common mistake
Shortcut used, common trap, and the fastest solving route
- Write the ratio clearly.
- Find the common multiplier.
- Apply it to the missing term.
Find the curved surface area of a cone with radius 7 cm and slant height 10 cm. Use π=22/7.
Explanation
Correct Answer: B
Method / Topic: Mensuration
The answer keeps the ratio proportional.
Short Explanation
Detailed Explanation
Correct Answer: B
Method / Topic: Mensuration
<table cellspacing="0" style="border-collapse:collapse; height:20px; width:85px">
<tbody>
<tr>
<td style="border-bottom:none; border-left:none; border-right:none; border-top:none; height:20px; vertical-align:top; white-space:normal; width:85px"><span style="color:#000000">Use curved surface area=πrl. Substituting radius 7 cm and slant height 10 cm gives 220 cm².</span></td>
</tr>
</tbody>
</table>
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