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    IBMediumGeometry & Trigonometry7–9

    A camping tent is a triangular prism. Its triangular end has base 22 m and height 1.51.5 m, and the tent is 33 m long. What is the volume of air inside, in m³?

    Uma tenda de campismo é um prisma triangular. A face triangular tem base 22 m e altura 1,51{,}5 m, e a tenda tem 33 m de comprimento. Qual é o volume de ar no interior, em m³?

    A prism drawn in cabinet projection. The front face is an isosceles triangle resting on a horizontal base of 2 m, with a dashed vertical height of 1.5 m from the middle of the base up to the apex and a right angle where it meets the base. The prism runs 3 m back and to the upper right, giving the sloping tent sides and the floor. Hidden edges are dashed.1.5 m2 m3 m

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    Solution

    Step 1 of 2

    1. 1.Triangular end area: 12×2×1.5=1.5\frac{1}{2} \times 2 \times 1.5 = 1.5 m²