Review of a parallelogram, triangle, and trapazoid formulas

What is the area formula of a trapezoid?

• A = h (b1 + b2) divided by 2

• ½aP

• bh

What is the formula for area of a Triangle?

• A = b . h divided by 2

• bh

• ½aP

What is the formula to find the area of a parallelogram?

• A = b x h

• A = 1/2 x b x h

• A = 1/2 x (b1+b2) x h

• A = l x w

Tags

CCSS.6.G.A.1

Find the area of a parallelogram with a base of 3.1 ft. and a height of 8 ft.

• 248 ft²
• 24.8 ft²
• 2.48 ft²
• 2480 ft²

Tags

CCSS.6.G.A.1

Find the area of a triangle with a height of 4 mm and a base of 6 mm?

• 5 mm squared
• 6 mm squared
• 12 mm squared
• 24 mm squared

Tags

CCSS.6.G.A.1

What is the area of a square with a length of 4 cm?

• 16 cm
• 16 square cm
• 8 cm
• 8 square cm 

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Find the area of a trapazoid:

b = 13

b = 9

h = 11

• 161 cm²

• 121 cm²

• 121 cm

• 161 cm

Find the height of a trapazoid

A = 50 square inches

b = 3 inches

b = 7 inches

• 20 inches

• 30 inches

• 10 inches

Find the missing dimension of a triangle

height 7 inches

area: 21 inches squared

• 12 inches

• 18 inches

• 6 inches

• 24 inches

Find the missing dimension of the parallelogram

A = 45

b = 9

• 5 inches

• 5 inches squared

• 10 inches

• 10 inches squared