Area and Perimeter of Triangles and Rectangles

How do you find the PERIMETER of a triangle?

• Multiply the sides together

• Add up the lengths of all the sides

• Add a bunch of random letters together

• Multiply the sides together, then remove two of them

Tags

CCSS.3.MD.D.8

Which of the following is the AREA formula for a rectangle?

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Using the formula for the area of a rectangle, solve for the area of the rectangle.

• 80.64 cm²

• 1.96875 cm²

• 19 cm²

• 38 cm²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Which of the following is the AREA formula for a triangle?

Tags

CCSS.6.G.A.1

Using the formula for the area of a triangle, solve for the area of the triangle.

• 24 cm²

• 48 cm²

• 60 cm²

• 30 cm²

Tags

CCSS.6.G.A.1

Using the formula for the area of a triangle, solve for the area of the triangle.

• 75 cm²

• 37.5 cm²

• 60 cm²

• 30 cm²

Tags

CCSS.6.G.A.1

Using the formula for the perimeter of a triangle, solve for the perimeter of the triangle.

• 26 cm

• 30 cm

• 21 cm

• 16 cm

Tags

CCSS.3.MD.D.8

Using the formula for the perimeter of a triangle, solve for the perimeter of the triangle.

• 17 cm

• 18 cm

• 60 cm

• 30 cm

Tags

CCSS.3.MD.D.8

What is the area of this rectangle?

• 40 cm

• 45 cm²

• 40 cm²

• 45 cm

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the perimeter of the rectangle

• 24 m

• 10 m

• 20 m

• 12 m

Tags

CCSS.4.MD.A.3