DatxBoixMatt4995 DatxBoixMatt4995

24-06-2017
Chemistry

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If a quadrilateral has three angels measuring 60, 45 and 100 find the measure of the fourth angel

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dec77cat dec77cat

24-06-2017

The sum of angels of a quadrilateral is equal to 360°.

∠A = 360 - (60 + 45 + 100) = 155

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