Angles Chapter Review
Chapter
Chapter 7
Section
Angles Chapter Review
Solutions 25 Videos

Calculate the measure of each unknown angle. Q1a

Calculate the measure of each unknown angle. Q1b

Calculate the measure of each unknown angle. Q1c

Explain why the angle relationships shown are not possible. Q2

Draw an example of the triangle or explain why it cannot exist.

• a triangle with an acute exterior angle
Q3a

Draw an example of the triangle or explain why it cannot exist.

• a triangle with two acute exterior angles
Q3b

Draw an example of the triangle or explain why it cannot exist.

• a triangle with three obtuse exterior angles
Q3c

Draw an example of the triangle or explain why it cannot exist.

• a triangle with an acute exterior angle, a right exterior angle, and an obtuse exterior angle
Q3d

Find the missing angle. Q4a

Calculate the measure of each unknown angle. Q4b

Find the missing angle. Q4c

For each description, draw an example of the quadrilateral or explain why it cannot exist.

• a quadrilateral with three obtuse interior angles.
Q5a

For each description, draw an example of the quadrilateral or explain why it cannot exist.

• a quadrilateral with four obtuse interior angles.
Q5b

For each description, draw an example of the quadrilateral or explain why it cannot exist.

• a quadrilateral with three obtuse interior angles.
Q5c

For each description, draw an example of the quadrilateral or explain why it cannot exist.

• a quadrilateral with four obtuse interior angles.
Q5d

Find the sum of the interior angles of hexagon.

Q6a

Find the sum of the interior angles of octagon.

Q6b

Find the sum of the interior angles of dodecagon (12 sided figure).

Q6c

Find the measure of each interior angle of a regular pentagon.

Q7a

Find the measure of each interior angle of a regular nonagon (9 sided figure).

Q7b

Find the measure of each interior angle of a regular hexadecagon (16 sided figure).

Q7c

If each interior angle of a regular polygon measures 168^o, how many sides does the polygon have?

Q8

Show that the area of \triangle ADE is one quarter of the area of \triangle ABC. Q10

Is the statement true or false? If false, provide a counter example.

The medians of an equilateral triangle are equal in length.