Question

11. Find the area of the square, the length of whose diagonal
(i) 72 cm, (ii) 2.4 m.
12 The area of a square is 10000 m2 nd the length of its diagonal.​

Answer 1

Answer:

i)2592

ii)72/25

Step-by-step explanation:

i)diagnol=√2 *a

72=√2a

a=36√2

area of square=(36√2)^2

area of square=2592 sq.cm

ii)diagnol=√2 *a

2.4=√2a

a=2.4/√2

a=(6√2)/5

area of square=((6√2)/5)^2

area of square=(72/25) sq.cm

Answer 2

Step-by-step explanation:

formula

area of square=4×side

= 4×72

=218cm

area of square=4×side

=4×2.4

=9.8m

area of square = 4×side

=4×10000

= 40000 m2