Perimeter of Composite Shapes

Front

What is the perimeter of a shape?

Back

The perimeter is the total distance around the outside of a shape, calculated by adding the lengths of all its sides.

Tags

CCSS.3.MD.D.8

Front

How do you find the perimeter of a rectangle?

Back

To find the perimeter of a rectangle, use the formula: P = 2(length + width).

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CCSS.4.MD.A.3

Front

What is the formula for the perimeter of a triangle?

Back

The perimeter of a triangle is found by adding the lengths of all three sides: P = side1 + side2 + side3.

Tags

CCSS.3.MD.D.8

Front

How do you calculate the perimeter of a circle?

Back

The perimeter of a circle is called the circumference, calculated using the formula: C = 2πr, where r is the radius.

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CCSS.7.G.B.4

Front

What is a composite shape?

Back

A composite shape is a shape made up of two or more simple shapes, such as rectangles, triangles, and circles.

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CCSS.1.G.A.2

Front

How do you find the perimeter of a composite shape?

Back

To find the perimeter of a composite shape, calculate the perimeter of each simple shape and then add them together.

Tags

CCSS.3.MD.D.8

Front

What is the significance of using π in perimeter calculations?

Back

π (pi) is used in calculations involving circles, representing the ratio of the circumference to the diameter.

Tags

CCSS.HSG.GMD.A.1

Front

If a rectangle has a length of 10 cm and a width of 5 cm, what is its perimeter?

Back

P = 2(10 cm + 5 cm) = 30 cm.

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CCSS.4.MD.A.3

Front

A triangle has sides measuring 3 cm, 4 cm, and 5 cm. What is its perimeter?

Back

P = 3 cm + 4 cm + 5 cm = 12 cm.

Tags

CCSS.3.MD.D.8

Front

What is the perimeter of a square with a side length of 6 cm?

Back

P = 4 × 6 cm = 24 cm.

Tags

CCSS.4.MD.A.3