Question 27
Mensuration of Plane ShapesThe length of the diagonal of a square is 12 cm. Calculate the area of the square.
- A.36 cm2
- B.48 cm2
- C.72 cm2
- D.18 cm2
Show the answer and explanation
Answer: C (72 cm2)
Explanation
If the side is x, then x² + x² = 12² = 144, so the area x² = 72 cm².