Question

find the area of square whose diagonal is 6.34 DM

Answer 1

Answer:

Step-by-step explanation:

Let side of square be a and diagonal be d.

1 DM = 10 cm

So diagonal is 6.34×10 = 63.4 cm

√2a = d

a = d/2

Area of square is a^2

So squaring both sides we get

a^2 = (63.4)^2/(√2)^2

= 4019.56/2

= 2009.78 square cm.

Hope it helped.

Answer 2

Answer:

Answer:

Step-by-step explanation:

Let side of square be a and diagonal be d.

1 DM = 10 cm

So diagonal is 6.34×10 = 63.4 cm

√2a = d

a = d/2

Area of square is a^2

So squaring both sides we get

a^2 = (63.4)^2/(√2)^2

= 4019.56/2

= 2009.78 square cm.

Hope it helped