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26 April, 22:10

One angle of a triangle measures 140°. The other two angles are in a ratio of 3:5. What are the measures of those two angles?

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  1. 26 April, 22:28
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    15 and 25

    Step-by-step explanation:

    the interior angles of a triangle, when added, = 180 ... so if one angle equals 140, then the other 2 angles have to measure a combined total of 40.

    the other 2 angles are in a ratio of 3:5 ... added = 8

    so one angle is 3/8 of 40 ... 3/8 * 40 = 120/8 = 15 <===

    the other angle is 5/8 of 40 ... 5/8 * 40 = 200/8 = 25 <==
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