Finding 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.HSG.CO.A.1

In the formula for calculating the area of a regular polygon, p = permeter, s = length of one side, and n = number of sides.

• true
• false

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

Find the area of a regular nonagon with a perimeter of 108 miles.

• 805.6 square miles
• 830.7 square miles
• 850.5 square miles
• 890.2 square miles

Find the area of a regular triangle with a side length of 10 km.

• 43.3 km²
• 47.2 km²
• 50.3 km²
• 120 km²

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

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

Find the area of a regular hexagon with a side length of 9 cm.

• 210.4 cm²
• 230.1 cm²
• 237.0 cm²
• 260 cm²

Tags

CCSS.HSG.CO.D.13

Find the area of a regular pentagon 6 feet on each side.

• 56.2 feet²
• 61.9 feet²
• 72.4 feet²
• 76.8 feet²

Tags

CCSS.HSG.GMD.A.1

CCSS.HSG.MG.A.1

Find the area of a regular hexagon with a perimeter of 48 yards.

• 137.5 yards²
• 145.2 yards²
• 152.9 yards²
• 166.3 yards²