ABCD is the parallelogram. P, Q, R and S are the mid points of sides AB, BC, CD and AD. If ∠A=70o. Find the acute angle of intersection of diagonal of parallelogram PQRS.
A
110o
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B
60o
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C
70o
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D
65o
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Solution
The correct option is C70o Here as S and Q are mid points so AB||SQ or AP||SO.
similarly, AS||PO
So, APOS is parallelogram
So, ∠A=∠SOP(opposite angles of ||gm)
So, ∠SOP=70o
which is the acute angle of intersection of diagonals of parallelogram PQRS.