Prove that a triangle is 180°.find value of 'x" and all angles, if they are (2x+7)°, (2x+7)° ,(2x-25)°.
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Hey friend,
Here is your answer
sum of all sides of triangle = 180°
(2x+7)+(2x+7)+(2x-25)=180
2x+7+2x+7+2x-25 = 180
6x+14-25 = 180
6x = 180-14+25
6x = 205
x=205/6
Here is your answer
sum of all sides of triangle = 180°
(2x+7)+(2x+7)+(2x-25)=180
2x+7+2x+7+2x-25 = 180
6x+14-25 = 180
6x = 180-14+25
6x = 205
x=205/6
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