Geometry Interior Angles Exterior Angles Polygons Find X and Y on Parallelograms

This figure is a parallelogram, what are the correct values for x and y?

• x = 25, y = 21

• x = 23, y = 23

• x = 21, y = 25

• x = 24, y = 20

Tags

CCSS.HSG.CO.C.11

This figure is a parallelogram, what is the correct value for x and y?

• x = 120, y = 43

• x = 45, y = 135

• x = 43, y = 120

• x = 90, y = 90

Tags

CCSS.HSG.CO.C.11

Based on the markings, is this a parallelogram? Why or why not?

• No, we don't know anything about the other two sides

• Yes, 1 pair of sides are parallel and congruent.

• Yes, opposite angles are equal

• No, not enough information

Tags

CCSS.HSG.CO.C.11

The figure is a parallelogram, what is the correct value of x and y?

• x = 2, y = 3

• x = -2, y = -3

• x = -3, y = 2

• x = 3, y = 2

Tags

CCSS.HSG.CO.C.11

Reason 1: Given

Reason 2: ​ (a)  

Reason 3 and 4: ​ (b)  

Reason 5: ​ (c)  

Reason 6: ​ (d)  

Reason 7: ​ (e)  

• Definition of parallelogram

• Alternate Interior Angles

• Parallelogram diagonals bisect each other

• AAS

• CPCTC

• Alternate Interior Converse

• Definition of Bisector

• ASA

Tags

CCSS.HSG.CO.C.11

Given CDEF is a parallelogram, find the measure of ∠DFE

Mathematical Equivalence

OFF

Tags

CCSS.HSG.CO.C.11

A regular polygon has 16 sides. What is the sum of the interior angles?

• 2880

• 2520

• 360

• 2500

A regular polygon has 16 sides, what is the measure of each interior angle?

• 90

• 145

• 157.5

• 160

The interior angle of a regular polygon is 165°, what is the measure of each exterior angle?

• 75°

• 15°

• 50°

• 70°

What is the sum of exterior angles in all regular polygons?

• 180°

• 360°

• Number of sides - 2 * 180

• 180 / number of sides