11-2 AREA OF POLYGONS

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

Tags

CCSS.HSG.CO.A.1

Find the length of OM

• 20

• 10

• $10\sqrt{3}$

• $5\sqrt{3}$
  

What would be the first step in finding the area of the pentagon?

• draw in the apothem
• calculate the length of the side
• calculate the length of the radius
• find the angle measure

Tags

CCSS.6.G.A.1

Find the length of OH

• 20

• 10

• $10\sqrt{3}$

• $5\sqrt{3}$

• 40 yd

• 40 yd²

• 80 yd²

• 18 yd²

Find the area of the circle.

(Round to the nearest whole number)

(a)  

What is the area of this shape?

• 100 cm²

• 200 cm²

• 20 cm²

• 10 cm²

Find the AREA of this figure.

• 160 ft²

• 160 ft

• 26 ft²

• 1600 feet²

What is the area of the rectangle?

• 15 cm²

• 15 cm

• 8 cm

• 8 cm²