Find the sum of the interior angles of a (an):

180(10 – 2) = 1440˚

decagon

Find the measure of one exterior angle of a regular:

360= 72˚ 5

pentagon

List all quadrilaterals that have:

Rectangle, square, isos trap

Opp angles supplementary

Find the distance and the midpoint between:

D = 20M (8, 1)

(2, -7) (14, 9)

List all quadrilaterals that have:

rhombus, square

Diagonals that bisect angles

Find the distance and the midpoint between:

D = 13M (-2.5, -3)

(0, -9) (-5, 3)

Find the sum of the interior angles of a (an):

180(9 – 2) = 1260˚

nonagon

Find the distance and the midpoint between:

D = 10M (2, 4)

(-2, 7) (6, 1)

Find the measure of one interior angle of a regular:

180(6 – 2) = 120˚ 6

hexagon

Find the measure of one interior angle of a regular:

180(10 – 2) = 144˚ 10

decagon

List all quadrilaterals that have:

rhombus, square

perpendicular diagonals

Find the measure of one interior angle of a regular:

180(12 – 2) = 150˚ 12

dodecagon

List all quadrilaterals that have:

Parallelogram, rectangle, rhombus, square

Diagonals that bisect each other

Find the measure of one exterior angle of a regular:

360= 18˚ 20

20-gon

Find the measure of one interior angle of a regular:

180(18 – 2) = 160˚ 18

18-gon

Find the sum of the interior angles of a (an):

180(6 – 2) = 720˚

hexagon

Find the measure of one exterior angle of a regular:

360= 20˚ 18

18-gon

Find the sum of the interior angles of a (an):

180(15 – 2) = 2340˚

15-gon

Find the measure of one exterior angle of a regular:

360= 40˚ 9

nonagon

List all quadrilaterals that have:

Rectangle, square, isos trap

Congruent diagonals

Find the sum of the interior angles of a (an):

180(8 – 2) = 1080˚

octagon

Find the distance and the midpoint between:

D = 17M (3, -2.5)

(7, -10) (-1, 5)