madankiranp61yih madankiranp61yih

14-07-2018
Mathematics

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the difference between the acute angles of a right angled triangle is 72degree find them .

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Аноним Аноним

14-07-2018

The 2 angles add up to 90 degrees so

x + y = 90, also:-

x - y = 72 (given)

adding the 2 equations:-

2x = 162

x = 81

and therefore

y + 81 = 90

y = 9

Answer the 2 angles are 81 and 9 degrees

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