Finding the Perimeter of a Regular Polygon

Olivia is designing a garden in the shape of a regular nonagon and the total boundary of the garden is 45cm.

Find the length of one side of the garden.

• 9cm

• 15cm

• 3cm

• 5cm

Tags

CCSS.3.MD.D.8

Perimeter of a regular polygon is 28cm. The measurement of one side is 7cm. Name the shape.

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Tags

CCSS.3.MD.D.8

The perimeter of a regular octagon and regular hexagon is the same.

If the side of octagon is 12cm, find the side of the hexagon.

• 4cm
• 48cm
• 16cm
• 10cm

Tags

CCSS.3.MD.D.8

What is the perimeter of this triangle

• 7 cm

• 14 cm

• 21 cm

• 70cm

Tags

CCSS.3.MD.D.8

What is the perimeter of this regular polygon in cm?

• 24 cm

• 180 cm

• 18 cm

• 2400 cm

Tags

CCSS.3.MD.D.8

What is the perimeter of this regular polygon in dm?

• 90 dm

• 180 cm

• 900 dm

• 9 dm

Tags

CCSS.3.MD.D.8