Area of Regular Polygons

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

Which is the apothem?

• AD

• AB

• CD

• CB

Tags

CCSS.HSG.CO.A.1

What is the formula for finding the area of a regular polygon?

• A = ½ ∙P∙ a

• A = 2 ∙P∙ a

• A = ½ ∙b ∙h

• A = ½ ∙d₁d₂

Tags

CCSS.HSG.GMD.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

What is the area?

• 24 cm²

• 48 cm²

• 120 cm²

• 240 cm²

Tags

CCSS.6.G.A.1

Find the area

• 96 cm²
• 48 cm²
• 36 cm²
• 48 cm

Tags

CCSS.6.G.A.1

Find the area.

• 50.4
• 700.56
• 100.08
• 1401.12

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.GPE.B.7

Find the area.

• 12.75
• 191.25
• 19.125
• 95.625

Tags

CCSS.6.G.A.1

A regular decagon has a perimeter of 10 m, and an apothem of 1.5 m. What is the area of the decagon?

(answer with numbers only)

(a)  

Tags

CCSS.6.G.A.1