In the given figure, ARCD is a square, if diagonals AC and BD intersect at O and AO = 4 cm, then the area of square ABCD is :
A. 32 cm2
B. 64 cm2
C. 16 cm2
D. 20 cm2
Answer:A
In the given figure, ARCD is a square, if diagonals AC and BD intersect at O and AO = 4 cm, then the area of square ABCD is :
A. 32 cm2 B. 64 cm2 C. 16 cm2 D. 20 cm2