Area of Circles and Regular Polygons

REGULAR in Maths means...

• Normal
• Two sides have the same length
• All sides are equal and all angles are equal
• It has right angles

Tags

CCSS.2.G.A.1

A line from the center of a regular polygon at right angles to any of its sides.

• apothem
• radius
• permimeter
• area

Tags

CCSS.HSG.CO.A.1

Which is the apothem?

• AD

• AB

• CD

• CB

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CCSS.HSG.CO.A.1

A ___________ polygon is a polygon that is equiangular (all angles are equal in measure) and equilateral (all sides have the same length). 

• plain
• perfect
• regular
• magical

Tags

CCSS.2.G.A.1

Find the area

• 96 cm²
• 48 cm²
• 36 cm²
• 48 cm

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CCSS.7.G.B.6

Find the area.

• 50.4
• 700.56
• 100.08
• 1401.12

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CCSS.HSG.GMD.A.1

CCSS.HSG.GPE.B.7

Find the area.

• 12.75
• 191.25
• 19.125
• 95.625

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CCSS.6.G.A.1

Find the area.

• 891
• 99
• 1782
• 74.25

Tags

CCSS.6.G.A.1

Find the area of a regular  dodecagon with a perimeter of 144 cm.

• 1247 cm²
• 1523 cm²
• 1612.2 cm²
• 1845 cm²

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm
• 43.96 cm
• 87.96 cm
• 7 cm

Tags

CCSS.7.G.B.4