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19 September, 16:28

Henrique drew and labeled the net shown. He also labeled the areas of the left and right triangular sides. A net has a rectangle at the center and 4 triangles on the sides. The rectangle has a length of 10 inches and height of 4 inches. 2 triangles have a base of 10 inches and a height of 5 inches. The other 2 triangles have an area of 13.6 inches squared. Use Henrique's work and finish finding the areas of the faces. What is the surface area of the rectangular pyramid?

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  1. 19 September, 17:58
    0
    Step-by-step explanation:

    The net has a rectangle at the center. The area of the rectangle is expressed as

    Area = length * width

    Area of the rectangle = 10 * 4 = 40 inches²

    The formula for determining the area of each triangular face is expressed as

    Area = 1/2 * base * height

    The area of each face of the triangle that has a base of 10 inches and a height of 5 inches is

    Area = 1/2 * 10 * 5 = 25 inches²

    The surface area of the rectangular pyramid is

    Area of rectangle at the center + area of the four triangular faces

    Therefore,

    The surface area of the rectangular pyramid =

    40 + 2 (25) + 2 (13.6) = 117.2 inches²
  2. 19 September, 18:14
    0
    Answer: 117.2

    Step-by-step explanation: I took the test on e d g e n u I t y
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