How to use this Cone Curved Surface Area Calculator 🤔
Enter ✎ value for radius (r).
Enter ✎ value for slant height (l).
As soon as you enter the required input value(s), the Cone Curved Surface Area is calculated immediately, and displaed in the output section (present under input section).
Formula
To calculate the cone curved surface area, you can use the following formula.
\(A_c = \) \( π r l \)
where
Calculation
Once you enter the input values in the calculator, the output parameters are calculated.
Examples
The following examples cover how to calcualte the Curved Surface Area when radius, and slant height are given.
1. What is the Curved Surface Area of Cone whose radius is 20 units, and slant height is 10 units?
Answer
Given:
radius, r = 20 units
slant height, l = 10 units
The formula to find the Curved Surface Area of a Cone is:
A_c = \( π r l \)
Substitute given values in the above formula.
A_c = \( 3.1415 \times20\times10\)
A_c = 628.32 square units
∴ Curved Surface Area, A_c = 628.32 square units
2. What is the Curved Surface Area of Cone whose radius is 1 units, and slant height is 0.5 units?
Answer
Given:
radius, r = 1 units
slant height, l = 0.5 units
The formula to find the Curved Surface Area of a Cone is:
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"explanation": "The curved surface area of a cone is the total surface area of cone excluding the area of the circular base.",
"examples_data": "<h2>Examples</h2><p>The following examples cover how to calcualte the Curved Surface Area when radius, and slant height are given.</p><div class=\"example\"><h3 class=\"question\"><span class=\"example_n\">1.</span> What is the Curved Surface Area of Cone whose radius is 20 units, and slant height is 10 units?</h3><h4 class=\"answer\">Answer</h4><p>Given:</p><ul><li>radius, r = 20 units<li>slant height, l = 10 units</ul><p>The formula to find the Curved Surface Area of a Cone is:</p><p class=\"tabspace\">A_c = \\( π r l \\)</p><p>Substitute given values in the above formula.</p><p class=\"tabspace\">A_c = \\( 3.1415 \\times20\\times10\\)</p><p class=\"tabspace\">A_c = 628.32 square units</p><p class=\"tabspace answer\">∴ Curved Surface Area, A_c = 628.32 square units</p></div><div class=\"example\"><h3 class=\"question\"><span class=\"example_n\">2.</span> What is the Curved Surface Area of Cone whose radius is 1 units, and slant height is 0.5 units?</h3><h4 class=\"answer\">Answer</h4><p>Given:</p><ul><li>radius, r = 1 units<li>slant height, l = 0.5 units</ul><p>The formula to find the Curved Surface Area of a Cone is:</p><p class=\"tabspace\">A_c = \\( π r l \\)</p><p>Substitute given values in the above formula.</p><p class=\"tabspace\">A_c = \\( 3.1415 \\times1\\times0.5\\)</p><p class=\"tabspace\">A_c = 1.57 square units</p><p class=\"tabspace answer\">∴ Curved Surface Area, A_c = 1.57 square units</p></div>",
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