Finding Area and Perimeter of Circles, Triangles, Rectangles

The figure shows 2 circles inside a trapezoid.  Which procedure should be used to find the area of the shaded region?

• Subtract the perimeter of the trapezoid from the area of both circles.

• Subtract the circumference of both circles from the area of the trapezoid.

• Subtract the area of the trapezoid from the area of both circles.

• Subtract the area of both circles from the area of the trapezoid.

Tags

CCSS.3.MD.C.7D

To calculate the amount of carpeting needed for your bedroom, which of the following should you find: 

• Area

• Perimeter

• Surface Area

• Volume

Find the circumference of the circle.

Use π = 3.14.

• 87.82in

• 153.86in

• 43.96in

• 307.72in

Tags

CCSS.7.G.B.4

Find the area of the circle.

Use π = 3.14.

• 87.82in

• 153.86in

• 43.96in

• 307.72in

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

Tags

CCSS.7.G.B.4

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

Tags

CCSS.7.G.B.4

The Carillo family has a circular swimming pool with a diameter of 10 feet. Find the area of the pool cover to the nearest tenth.

• 94 ft²

• 53.4 ft²

• 70.9 ft²

• 78.5 ft²

Tags

CCSS.7.G.B.4

The formula for finding the area of a circle is...

Tags

CCSS.7.G.B.4

What is the diameter of this circle?

• 8cm

• 16cm

• 10cm

• 4cm

Tags

CCSS.7.G.B.4

What is the radius of this circle?

• 18in

• 36in

• 9in

• 6in

Tags

CCSS.7.G.B.4