Question on: JAMB Mathematics - 2007
The area of a square is 144 sqcm. Find the length of the diagonal.
A
13 cm
B
12√2 cm
C
12 cm
D
11√3 cm
Ask EduPadi AI for a detailed answer
Correct Option: B
Area of a square = x * x
144 = x2
√144 = x
12 = x
But d2 = 122 x 122
= 144 + 144
= 288
d = √288
= √144 x 2
= 12√2
144 = x2
√144 = x
12 = x
But d2 = 122 x 122
= 144 + 144
= 288
d = √288
= √144 x 2
= 12√2
Add your answer
Please share this, thanks!
No responses