PQRS is a trapezium such that PQ||SR. The ratio PR:QS is always equal to
1) PQ:SR
2) PO-OR:QO-OS
3) PO+OR:QO-OS
4) PO^2:OQ^2
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The ratio PR:QS is always equal to PO-OR:QO-OS
gauravginodia02:
how?
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