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Sagot :
The lateral area of the cone is 394 square inches
How to determine the value
The formula for lateral area of a cone is expressed as;
Lateral area = πr √h² + r²
Given that;
- height = 20 in
- Diameter = 12 in, radius = 12/ 2 = 6 in
Substitute the values into the formula
Lateral area = 3. 142(6) √20² + 6²
Lateral area = 18. 85 √436
Lateral area = 18. 85 × 20. 8
Lateral area = 394 square inches
Thus, the lateral area of the cone is 394 square inches
Learn more about lateral area here:
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