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24 September, 14:34

For an arts and crafts project, a student cut a triangle out of a rectangular piece of paper. if the triangle has a base of 6 inches and a height of 8 inches, and the rectangle has a length of 11 inches and a width of 12 inches, what is the area of the leftover paper after the triangle is cut out?

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  1. 24 September, 15:31
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    You can find this by subtracting the are of the triangle from the area of the rectangle.

    The area of the rectangle can be found using the formula l x w.

    l x w Replace the l and w with the length and width of the rectangle

    11 x 12 Multiply

    132 in.²

    The area of the triangle can be found with 1/2 (B x h).

    1/2 (b x h) Plug in the base and height of the triangle

    1/2 (6 x 8) Multiply 6 and 8

    1/2 (48) Find 1/2 of 48

    24 in.²

    Now, subtract the are of the triangle (48) from the area of the rectangle (132).

    132 - 48 Subtract

    84 in.²

    The are of the leftover paper is 84 inches².
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