Area of Rectangles, Squares, Parallelograms, and Rhombus
Area of Triangles
Area of Trapezoids
Area of Composite Shapes
Perimeter
100

What is area?

Area is the space inside of a shape. It is measured in square units.

100

What is the formula for the area of a triangle?

Either b x h ÷ 2

or L x H ÷ 2

100

What is the formula for the area of a trapezoid?

(b₁ + b₂)h ÷ 2

100

How do we find the area of a composite shape?

Break it down into familiar shapes, find the area of those shapes, and add up their areas to find the total area of the composite shape.

100

What is perimeter?

The distance around the outside of a shape.

200

What is the area of this figure?

24cm²

200

What is the area of this triangle?

70cm²

200

What is the area of this trapezoid?

28units²

200

What is the area of this composite shape?

400ft²

200

What is this shape's perimeter?


22cm

300

What is the area of this figure?

64ft²

300

What is the area of this triangle?

62.4m²

300

What is the area of this trapezoid?

66ft²

300

What is the area of this composite shape?

350mm²

300

What is this shape's perimeter?


26 units

400

What is the area of this figure?

120in²

400

What is the area of this triangle?

45ft²

400

What is the area of this trapezoid?

34cm²

400

What is the area of this composite shape?

67.5cm²

400

What is this shape's perimeter?

36cm

500

What is the area of a rhombus with a length of 5cm and a width of 10cm?

50cm²

500

What is the area of this triangle?

6in²

500

40.5cm²

500

What is the area of this composite shape?

57ft²

500

What is this shape's perimeter?

34cm