A rectangle has length 24 cm and diagonals of length 25 cm each. The area of the rectangle (in cm2):
Answer & explanation
Correct answer: option 4
By using Pythagoras theorem,
AC² = AB² + BC²
25² = 24² + BC²
625 = 576 + BC²
BC = 7 cm
Area of rectangle = Length × Breadth
= 24 × 7
= 168 cm²