A large rectangle is 12 cm long and 8 cm wide with a square of 4 cm cut out from one corner. What is the area of the remaining shape?
Explanation:
Hello my wonderful student! Area of big rectangle = 12 × 8 = 96 cm². Area of square = 4 × 4 = 16 cm². Remaining area = 96 - 16 = 80 cm². You are doing such a great job!
A shape is made of a rectangle 10 cm by 6 cm and a triangle with base 10 cm and height 5 cm on top. What is the total area?
A shape is a rectangle 18 cm by 10 cm with a semicircle on the short side (diameter 10 cm). Approximate area using π ≈ 3.14 (semicircle area = half of πr²). What is the total area?
Explanation:
Rectangle = 180 cm². Semicircle radius 5 cm: (3.14 × 25) ÷ 2 ≈ 39 cm². Total ≈ 219 cm². You are learning beautifully!
Two squares side by side: one 7 cm and one 12 cm on a side. What is the total area?
