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A student is finding the measures of the angles in a triangle that have the ratio 4:4:7. Find the mistake and correct it.

4x+4x+7x15xx===18018012

A Student Is Finding The Measures Of The Angles In A Triangle That Have The Ratio 447 Find The Mistake And Correct It 4x4x7x15xx18018012 class=

Sagot :

suppose 4:4:7 be 4x, 4x, 7x

or, 15x = 180°

or, X = 180/15

or, X = 12

therefore,

4x = 4x12= 48

4x= 4x12= 48

7x= 7x12= 84

so if you plus all of them you get 180

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