The area of a square is 100sq cm. Find the length of its diagonal.
- A10
2
cm - B10cm
- C20cm
- D20
2
cm
Solution & Step-by-step Explanation
Let the side of the square be a.
The area of the square is given as:
Area=a
2
=100⟹a=10cm
The length of the diagonal (d) of a square is given by the formula:
d=a
2
Substituting the side value a=10cm:
d=10
2
cm
The area of the square is given as:
Area=a
2
=100⟹a=10cm
The length of the diagonal (d) of a square is given by the formula:
d=a
2
Substituting the side value a=10cm:
d=10
2
cm