the area of a square is 81cm2 . find it's perimeter and length of it's diagonal
Answers
Answered by
3
Answer:
Step-by-step explanation:
Given :- Area=81cm²
Solution
We know area of a square is s²
Therefore s²=81
s=√81
s=9cm
Perimeter of square=4s
4×9=36cm
we know the formula for diagonal of a square is √2s²
√162=9√2 m
therfore perimeter=36cm
diagonal=9√2 cm
hope this helps
mARK ME AS THE bRAINLIEST
Answered by
0
Answer:
Step-by-step explanation:
Area of square =81cm^2
Side of square =√81
= 9 cm
Perimeter of square =4*side
=4*9= 36cm
Similar questions