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21 November, 08:42

What's the lateral area of a right circular cone if the diameter of the base is 4 m and the slant height of the cone is 15m? Round your answer to the nearest whole number. A. 214m2 B. 107m2 C. 94m2 D. 188m2

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  1. 21 November, 09:08
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    We are tasked to solve for the lateral area of a right circular cone given that the base diameter measurement is 4 meters and the slant height measurement is 15 meters. To solve this problem, we need to use the formula below:

    Lateral Area = pi*r (√h²+r²)

    where r is half of the diameter measurement such as:

    radius = r = diameter / 2

    r = 4/2

    r = 2 meters

    Solving for the lateral area, we have it:

    Lateral Area = 3.14*2 (√15²+2²)

    Lateral Area = 94 m²

    The answer is the letter "C".
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