Mixed Practice Polygons

Find the area of the given polygon. Round the nearest hundredth if necessary.

(a)  

Tags

CCSS.6.G.A.1

Find the area.

• 60 in

• 60 in²

• 50 in

• 50 in² 

Tags

CCSS.6.G.A.1

Find the area of a regular hexagon with a perimeter of 60 ft.

• 150√3 ft²

• 150 ft²

• 60√3 ft²

• 300√3 ft²

Tags

CCSS.6.G.A.1

In rhombus ABCD, m∠ECB = 5a+4 and m∠EBC = 8a - 5.Find m∠EBC.

• 39

• 43

• 47

• 51

Tags

CCSS.HSG.CO.C.11

Given trapezoid ABCD with median (labeled as shown).

Find EF.

• 8

• 14

• 17

• 19

The measure of each exterior angle of a regular polygon of 36 sides is _____

• 10⁰

• 100⁰

• 90⁰

• 36⁰

Calculate the sum of the interior angle measures of a polygon with 16 sides.

• 2880 degrees

• 2520 degrees

• 344 degrees

• 360 degrees

What is the value of x?

• 26.25

• 38.75

• 24

• 25.125

What is the measure of one exterior angle in regular dodecagon?

• 150

• 30

• 36

• 144

Find x

• 84

• 21

• 43.5

• none of the above