Area and Perimeter of Triangles, Rectangles and Squares

How can we find the area of a triangle?

• 1/2 x base x height

• length x width

• length + width+ length + width

• 4 km²

• 16 km²

• 64 km²

• 8 km²

What is the area?

• 12 cm²

• 14

• 14 cm²

• 24 cm²

What is the area of this composite shape?

• 168 cm²

• 216 cm²

• 60 cm²

• 264 cm²

What does area relate to?

• The outside length

• The football field

• How much space on a flat surface something takes up

• How big something is

If I wanted to fence in my backyard, that would be an example of:

• area

• perimeter

What is the area of this rectangle?

• 15 square units

• 12 square units

• 8 square units

• 20 square units

What is the area of this triangle?

• 6 square units

• 8 square units

• 7 square units

• 12 square units

What is the area of this rectangle?

• 112 square inches

• 150 square inches

• There is not enough information to answer this question.

• 23 square inches

What is the perimeter of this shape?

• 20 units

• 24 units

• 15 units

• 10 units