Question

The opposite angles of a quadrilateral PQRS are equal
If PQ = 18 cm, find SR.​

Answer 1

Answer:

18 cm because opposite angles are equal

Step-by-step explanation:

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Answer 2

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If ∠1=∠3

& ∠1+∠2+∠3+∠4=360

o

∴∠2+∠4=180

o

& ∠2=∠4

∴ PQRS is parallelogram

PQ=RS=5 cm