Question

a)The perimeter of a square is 60 cm. Find the
area of the square.
Ans: 225 cm?

b)Find the distance between the given points
(-2,4)and (2,7).
Ans: 5 units

c)If X = {3,5,7} and Y = {1,4,7,9}, then
find X - Y and shade it in the Venn-
diagram.
Ans: {3,5}
plz give me full explanation​

Answer 1

Answer:

a) Given that

perimeter of square= 60cm

4×side. =60cm

side = 60/4= 15cm

Now, area of square= side × side

15cm×15cm=225cm