Area and Perimeter of Triangles, Squares, Rectangles

What is the ? worth is the whole area is 28cm²

• 3cm

• 9cm

• 7cm

• 6cm

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 of this composite shape?

• 168 cm²

• 216 cm²

• 60 cm²

• 264 cm²

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

• area

• perimeter

If I wanted to paint a wall, that would be an example of:

• area

• perimeter

What is the area of this triangle?

• 30 square units

• 60 square units

• 45 square units

• 17 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

Which of these answers could be the area of a square? Choose all the answers that make sense

• 25

• 64

• 17

• 120