pla help me fasttt in step wise
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Sorry, but im really weak in maths
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20. Refer the diagram
21.Proof that the diagonals of a rhombus are perpendicular
Corresponding parts of congruent triangles are congruent, so all 4 angles (the ones in the middle) are congruent. This leads to the fact that they are all equal to 90 degrees, and the diagonals are perpendicular to each other.
Hope this helps u... Borahae
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