Chapter 8 Part 2 Review

Which formula represents how to find the interior angle sum of any polygon?

• (number of sides - 2) x 180

• (number of sides + 2) x 180

• number of sides x 180

• number of sides x 360

Find the measure of angle b

• 75 degrees

• 20 degrees

• 30 degrees

• 55 degrees

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

• 360 degrees

• 4500 degrees

• 335 degrees

• 4140 degrees

What is the measure of ONE interior angle in a regular pentagon (5-sides)?

• 540°

• 108°

• 120°

• 180°

What does x equal?

• 9

• 11

• 17

∠A ≅

• ∠M

• ∠N

• ∠L

Given that the figures are congruent, Find the length of BC.

BC = ___ cm

Identify the transformation from ABCD to A'B'C'D'.

• Translation

• Reflection across the x-axis

• Reflection across the y-axis

• 90^o counter clockwise rotation

The point Z(4, -2) is rotated 180 degrees about the origin.  What is the image of Z?

• Z'(2, 4)

• Z'(-4, 2)

• Z'(-2, -4)

• Z'(-4, -2)

Identify the transformation from ABC to A'B'C'.

• 90^o clockwise rotation

• 90^o counter clockwise rotation

• Reflection across the y-axis

• Reflection across the x-axis