Area and Perimeter Formulas

The space inside an 2-D object is called its ____________________.

• area

• perimeter

• volume

• circumference

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

• 1 cm2

• 16 cm2

• 8 cm2

• 2 cm2

What is the formula for the area of a trapezoid?

• A=lw

• A=bh

• A= 1/2(h)(b1+b2)

• A=pi(r²)

Find the area of the triangle.

• 39 sq feet

• 30.8 sq feet

• 78 sq feet

• 101.4 sq feet

Use the formula ​​ (a)   ​to solve for the base. Then, create the equation ​ (b)   =​ (c)   . Finally, solve the equation to get ​ (d)   .

• A=bh

• 42

• 7x

• 6 mm

• 7 mm

• 42x

• 12 mm

• 14 mm

• A=bh/2

What is the area of the composite figure? (use 3.14 for pi)

• 14 cm²

• 6.28 cm²

• 12.56 cm²

• 20.28 cm²

The perimeter of a rectangle is 34 meters. The width is 4 meters. What would the length be?

• 17 m

• 13 m

• 15 m

• 30 m

Find the radius of a circle if the area is 254.5 cm²

• 3cm

• 9cm

• 12cm

• 14cm

Which formula is used to find the area of a circle?

• A=1/2bh

• A=bh

• A=1/2(b1+b2)h

• A=πr^2

Which formula is used to find the circumference (outside) of a circle?

• C=1/2bh

• C=πd

• C=2πr

• C=πr^2