find the area of square pqrs formed by joining the midpoints of sides of another square ABCD of side 9 root 2 cm
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Answer:
The area of a square PQRS is 81 cm² .
Step-by-step explanation:
The square ABCD has sides 9 √2 cm.
PQRS is formed by joining the mid points of sides of ABCD.
So a = 9 √2 / 2 * √2 = 9 cm (side of PQRS)
Area (PQRS) = a² = 9² = 81 cm².
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