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6 February, 09:12

Erica make a banner with 4 sheets of paper each paper measure 9 inches by 10 inches what is the total area of Erica banner?

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  1. 6 February, 10:13
    0
    First, calculate are of one paper

    area = l * w

    area = 9 * 10

    area = 90 in²

    Second, calculate area of 4 papers

    area = 4 * area per paper

    area = 4 * 90

    area = 360 in²

    Total area of Erica's banner is 360 in²
  2. 6 February, 12:18
    0
    360 or 22.5 one of those
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