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Find the ratio of the angles D : E : F of ΔDEF formed by joining the midpoints of the sides of ΔABC.

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The midpoint theorem or midline theorem states that if the midpoints of two sides of a triangle are connected, then the resulting line segment will be parallel to the third side and have half of its length.


Find the ratio of the angles D : E : F of ΔDEF formed by joining the midpoints of the sides of ΔABC.<br /><img src='https://www.fatskills.com/class9maths/mathematics-questions-answers-mid-point-theorem-q7.png' width='299' height='291' />






 
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