Question

plz answer it fast the person who answer it first. he or she will mark as brainest

Answer 1

Answer:

Step-by-step explanation:IN SQUARE ALL THE SIDES ARE EQUAL

SO LET THE SIDES BE a

2a^2=18^2

a^2=162

a=approx 13m

now area=a^2=169m^2

Answer 2

hey mate, your ANSWER IS
d)324

Because area of a square = diagonal*diagonal
diagonal=18
then, 18*18 or 18 squared =324

so, area of the square is 324sqm