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12 May, 08:45

The dimensions of triangle A are three times the dimensions of triangle B. The area of triangle A is 189 cm2. What is the area of triangle B?

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  1. 12 May, 11:13
    0
    Answer: 21 cm²

    Step-by-step explanation:

    Area of B = (b * h) / 2

    Area of A = (3b * 3h) / 2

    189 = 9 (b * h) / 2

    : 9 : 9

    21 = (b * h) / 2

    21 = Area of B
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