Question

The area of a square whose diagonal is 12 cm, will be
(a) 144 sq cm (b) 72 sq.cm (c) 36 sq.cm (d) 48 sq.cm
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Answer 1

Answer:

Hey

Using Pythagorean theorem, there's a formula:

(side)^2 = (diagonal)^2/2

Area = (diagonal)^2/2

= (12)^2/2

= 144/2

= 72 sq. cm

Hence, b)72 sq.cm is answer

Hope it helps uhh

Step-by-step explanation: