Finding the Shaded Region of Polygons

What is the first step in finding the shaded region of a polygon?

• Calculate the perimeter of the polygon

• Identify the shapes involved

• Measure the angles of the polygon

• Determine the volume of the polygon

How do you find the area of a square?

• Add the length and the width

• Divide the length by the width

• Multiply the length by the width

• Multiply the length by the height

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the formula for the area of a circle?

• 2πr

• πr^2

• πd

• 2πr^2

Tags

CCSS.7.G.B.4

If the radius of a circle is 8 millimeters, what is the area of the circle?

• 256 square millimeters

• 200.96 square millimeters

• 128π square millimeters

• 64π square millimeters

Tags

CCSS.7.G.B.4

What operation is used to find the remaining area after cutting a circle out of a square?

• Division

• Addition

• Multiplication

• Subtraction

When cutting a square out of a circular paper, what is the first area you need to calculate?

• Perimeter of the square

• Area of the circle

• Perimeter of the circle

• Area of the square

If the radius of a circle is 12 centimeters, what is the area of the circle?

• 144π square centimeters

• 452.16 square centimeters

• 314.16 square centimeters

• 150.72 square centimeters

Tags

CCSS.7.G.B.4

What is the area of a square with side length 10.5 centimeters?

• 115.5 square centimeters

• 105 square centimeters

• 110.25 square centimeters

• 100.25 square centimeters

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

How do you find the shaded region when a small circle is cut out from a large circle?

• Divide the area of the large circle by the area of the small circle

• Subtract the area of the small circle from the area of the large circle

• Multiply the areas of both circles

• Add the areas of both circles

What is the area of a small circle with a radius of 2 meters?

• 3.14 square meters

• 12.56 square meters

• 6.28 square meters

• 4 square meters

Tags

CCSS.7.G.B.4