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Use the net below to calculate the surface area of this triangular prism.
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Use the net below to calculate the surface area of this triangular prism.\newlineEnd\newline(55)\newlineO\newline.\newlinei\newline22\newlineShow grid\newline00

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Q. Use the net below to calculate the surface area of this triangular prism.\newlineEnd\newline(55)\newlineO\newline.\newlinei\newline22\newlineShow grid\newline00
  1. Identify Shapes: Identify the shapes that make up the surface area of the prism: two triangular ends and three rectangular sides.
  2. Calculate Triangle Area: Calculate the area of one triangular end. Area of a triangle = 12×base×height\frac{1}{2} \times \text{base} \times \text{height}. Assuming the base and height of the triangle are both 55 units, Area = 12×5×5\frac{1}{2} \times 5 \times 5.
  3. Calculate Total Triangle Area: Perform the calculation for the triangular area: 12×5×5=12.5\frac{1}{2} \times 5 \times 5 = 12.5 square units.
  4. Calculate Rectangular Sides Area: Since there are two triangular ends, multiply the area of one triangle by 22: 2×12.5=252 \times 12.5 = 25 square units.
  5. Add Rectangular Sides Areas: Calculate the area of the three rectangular sides. Assuming the length of the prism is ll, the areas are: 5×l5 \times l, 5×l5 \times l, and 5×l5 \times l for each of the three sides.
  6. Calculate Total Surface Area: Add the areas of the rectangular sides: 5×l+5×l+5×l=15×l5 \times l + 5 \times l + 5 \times l = 15 \times l square units.
  7. Calculate Total Surface Area: Add the areas of the rectangular sides: 5×l+5×l+5×l=15×l5 \times l + 5 \times l + 5 \times l = 15 \times l square units. Add the areas of the triangular ends and the rectangular sides to get the total surface area: 25+15×l25 + 15 \times l square units.

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