Find the Volume and total surface area of the given figure with base of equilateral triangle:
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Step-by-step explanation:
Volume of the given object = cross sectional area × length
cross sectional area = 1/2*13*11
=> 71.5 sq ft
therefore V = CSA × L
=> V = 71.5 × 15
=> V = 1072.5 cu ft
TSA = perimeter of triangular base × length + 2 × area of base
=> TSA = (13×3) × 15 + 2 × (1/2*13*11)
=> TSA = 39 × 15 + 2 × 71.5
=> TSA = 585 + 143
=> TSA = 728 sq ft
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