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30 January, 00:29

Natalie wants to measure the width of a river. She marks off two right angles, as shown in the figure. The base of the larger triangle has a length of 58m, and the base of the smaller triangle has a length of 26m. The height of the smaller triangle is 21.3m. How wide is the river? Round your answer to the nearest meter.

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  1. 30 January, 00:41
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    Given:

    Larger Triangle : base = 58 m; height = x

    Smaller Triangle: base = 26 m; height = 21.3 m

    x:58 = 21.3:26

    26x = 58*21.3

    26x = 1,235.4

    x = 1,235.4 / 26

    x = 47.515

    The river is 48 meters wide.
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