Question

33. ABCD is a rectangle formed by the points A(-1,-1), B(-1, 4), C(5, 4)
and D(5,-1). If P, Q, R and S be the midpoints of AB, BC, CD and DA
respectively, show that PQRS is a rhombus.​

Answer 1

Answer:

Use distance formula ...

√x2²-x1²+y2²-y1²

find distance between ac and dc

if they both are equal then

it is rhombus

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