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15-09-2021
Mathematics

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If angle ABC = angle DEF, m angle ABC= 3x-15, and m angle DEF= x+3/3, find the measure of each angle

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ang12321 ang12321

15-09-2021

3x－15＝x＋3/3
9x－45＝x＋3
9x－x＝3＋45
8x＝48
x＝6
∠ABC＝3×6－15＝3°
∠DEF＝6＋3/3＝3°

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