IKMC 2025 - Grades 5-6 - Set 2 - Self-study Question 22

Question 22

The square has side length 10 cm. The vertical line through its middle divides it into two equal rectangles. What is the area of the shaded region?

Question illustration

$12.5\text{ cm}^2$
$25\text{ cm}^2$
$30\text{ cm}^2$
$40\text{ cm}^2$
$50\text{ cm}^2$