Find the surface area
1 answer:
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Lateral Area of cone=1130.4 inches^2
Step-by-step explanation:
Diameter of circular base = 18 inches
Height of cone = 40 inches
Lateral Area of cone = ?
The formula used to find Lateral Area of cone is:
Since we know that r= d/2,
so, r = 18/2
r= 9
Putting values, we get:
So, Lateral Area of cone=1130.4 inches^2
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