Area of Regular Polygons Using Trig

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

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

• apothem
• radius
• permimeter
• area

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

• true
• false

Tags

CCSS.6.G.A.1

What is the central angle of a regular pentagon?

• 72
• 108
• 540
• 360

Find the area.

• 97.25 u²
• 191.25 u²
• 37.5 u²
• 95.625 u²

Tags

CCSS.6.G.A.1

Find the area.

• 47.43 u²
• 259.81 u²
• 201.96 u²
• 150 u²

Tags

CCSS.6.G.A.1

Find the area.

• 534.6 u²
• 326.7 u²
• 267.3 u²
• 207.9 u²

Tags

CCSS.6.G.A.1

Find the area.

• 270.83 u²
• 232.14 u²
• 386.9 u²
• 193.45 u²

Tags

CCSS.6.G.A.1

Find the area

• 96 cm²
• 48 cm²
• 36 cm²
• 48 cm

Tags

CCSS.6.G.A.1

Find m<OHM

• 30°
• 60°
• 90°
• 45°