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15 June, 06:56

The sum of two angles is 180 and the angles have a ratio of 7:8. What is the number of degrees in the smaller angle?

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  1. 15 June, 09:49
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    Let x and y be these 2 angles:

    x+y = 180

    x/y = 7/8 or x = 7y/8. Plug:

    7y/8 + y = 180

    y = 96

    x = 180-96; x = 84
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