Area Basics
What is the formula for the area of a rectangle?
A = length × width
What is a right triangle?
A triangle with one 90° angle
What’s the formula for the area of a square?
A = side × side
What does “composite shape” mean?
A shape made up of two or more simple shapes
A triangle garden has a base of 10 ft and a height of 6 ft. What is the area?
30 ft²
What is the formula for the area of a triangle?
A = ½ × base × height
Find the area of a right triangle with base 10 m and height 4 m.
20 m²
Find the area of a square with side length 6 ft.
36 ft²
How do you find the area of a composite shape?
Break it into known shapes, find each area, and add them
A rectangular banner is 7 ft long and 4 ft wide. What is its area?
28 ft²
What is the formula for the area of a parallelogram?
A = base × height
A triangle has a base of 6 inches and a height of 7 inches. What’s the area?
21 in²
Find the area of a rectangle with length 8 m and width 3 m.
24 m²
A shape is made of a rectangle (4 × 6) and a triangle (base 4, height 3). Find the total area.
24 + 6 = 30 units²
A piece of land is shaped like a trapezoid with bases of 20 m and 30 m and a height of 10 m. Find the area.
250 m²
What unit would you use to measure area?
Square units (e.g., cm², in²)
True or False: The area of an equilateral triangle can be found using the same formula as any triangle.
True
A parallelogram has a base of 10 in and height of 4 in. Find the area.
40 in²
A shape includes a square (5 × 5) and a triangle (base 5, height 4). Find the area.
25 + 10 = 35 units²
A playground has a rectangular area of 12 m × 10 m and a triangular sandbox (base 6 m, height 4 m). What’s the total area?
120 + 12 = 132 m²
If a triangle has a base of 8 cm and a height of 5 cm, what is its area?
20 cm²
A triangle has a base of 12 cm and height of 9 cm. Find the area.
54 cm²
A trapezoid has bases of 6 cm and 10 cm, and a height of 5 cm. What is its area?
40 cm²
A shape has a rectangle (length 10, width 3) and two right triangles (base 3, height 4). Find the total area.
30 + 2×6 = 42 units²
A patio is made of a square (side 5 m), a rectangle (6 m × 3 m), and a triangle (base 6 m, height 2 m). Find the area.
25 + 18 + 6 = 49 m²