The area of a square is 60.5cm
2
. Find the length of its diagonal (in cm).
- A5.5
- B22
- C11
- D16.5
Solution & Step-by-step Explanation
The area of a square in terms of its diagonal d is given by the formula:
Area=
2
1
d
2
Given that Area =60.5cm
2
:
2
1
d
2
=60.5
d
2
=60.5×2
d
2
=121
d=
121
=11cm
Area=
2
1
d
2
Given that Area =60.5cm
2
:
2
1
d
2
=60.5
d
2
=60.5×2
d
2
=121
d=
121
=11cm