Question

PQRS is a square . If PR = 10 cm,then area of
PQRS = ......... cm*2?
A. 100 B.50 C.40 D. 80​

Answer 1

Answer:

Area of square=1/2diagonal ^2

=1/2*100

=50cm^2

Step-by-step explanation:

Answer 2

diagonal length of Square PQRS= 10cm

$= > area =(1/2)*(diagonal) {}^{2}$

$= >(1/2)*(10) {}^{2} =1/2*100cm {}^{2}$

$=> 50 cm {}^{2}$

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