Area of Rectangles, Parallelograms, and Triangles

What is the formula for the area of a rectangle?

• A = bh

• A = 2(l + w)

• A = πr²

• A = ½bh

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

If a rectangle has a length of 15 m and a width of 7 ½ m, what is its area?

• 112.5 m²

• 100 m²

• 75 m²

• 150 m²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the area of a parallelogram with a base of 12.5 m and a height of 3.7 m?

• 46.25 m²

• 50 m²

• 37.5 m²

• 60 m²

Tags

CCSS.6.G.A.1

If the area of a parallelogram is 17.6 cm² and the height is 2.2 cm, what is the length of the base?

• 8 cm

• 10 cm

• 5 cm

• 7 cm

Tags

CCSS.6.G.A.1

A rectangle has an area of 10 in² and a height of 4 in. What is the length of the base?

• 2 ½ in

• 3 in

• 4 ½ in

• 5 in

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How many square feet of wallpaper will be used to cover a wall measuring 9 feet by 18 ¼ feet?

• 164 ¼ ft²

• 150 ft²

• 170 ¼ ft²

• 180 ft²

If the cost of carpeting a parallelogram-shaped area is $2.80 per square meter, and the area is 25.11 m², how much will it cost?

• $70.31

• $60.00

• $80.00

• $90.00

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Jordan is building a doghouse with a rectangular floor area of 36.25 ft² and a width of 5 feet. What is the length of the floor?

• 7.25 ft

• 6 ft

• 8 ft

• 9 ft

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula for the area of a parallelogram?

• A = bh

• A = ½bh

• A = l × w

• A = πr²

Tags

CCSS.6.G.A.1

If a rectangle has a width of 4 inches and a length of 6 inches, what is its area?

• 24 in²

• 20 in²

• 18 in²

• 30 in²

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3