Polygon and Angles

Look at this convex polygon.How many triangles are formed by drawing all the diagonals from a single vertex?

• 2

• 3

• 4

• 1

Find the measure of angle E.

• 9

• 97°

• 48°

• 79°

A polygon with 8 sides is called a(n) __________________.

• octagon

• decagon

• heptagon

• dodecagon

Tags

CCSS.2.G.A.1

A polygon's interior angles add up to 2700.  How many sides does the polygon have?

• 17

• 15

• 19

• 11

Find the value of x.

• x = 88

• x = 176

• x = 90

• x = 174

Calculate the sum of the interior angle measures of a polygon with 25 sides.

• 360 degrees

• 4500 degrees

• 335 degrees

• 4140 degrees

An exterior angle in a regular polygon has a measure of 18^o.  What is the sum of the interior angles in this polygon?

• 180^o

• 3,240^o

• 1,440^o

• 360^o

Solve for x

• 45

• 12

• 90

• 2

Solve for the variables.

• m=68, n=70

• m=35, n=70

• m=35, n=110

• m=68, n=110

Tags

CCSS.HSG.CO.C.11

The figure is a parallelogram.  
Solve for x.  

• 7

• 5.6

• 5

• 4

Tags

CCSS.HSG.CO.C.11