Area and Perimeter of Triangles Rectangles 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

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

• area

• perimeter

If I wanted to decorate the edge of a cake, 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

What is the perimeter of this shape?

• 20 units

• 24 units

• 15 units

• 10 units

• True

• False

What is the area of the white interior rectangle? *Hint: the purple border is 2 inches wide.

• 120 square inches

• 288 square inches

• 240 square inches

• 144 square inches