Write the inverse Is it true or false

Write the inverse: Is it true or false? If an animal is a panda, then it is black and white. If an animal is not a panda, then it is not black and white. (False—zebra)

Which angle is the smallest? Which side is the shortest? A 57˚ B 82˚ 41˚ C <C, side AB

Find the sum of the interior angles of a: 16 -gon 14(180) = 2520˚

Find the measure of one interior angle of a regular: Octagon 6(180) = 135˚ 8

Which quadrilaterals have: 1 pair of opposite sides congruent IT

Find the measure of one exterior angle of a regular: Pentagon 360 = 72˚ 5

Find the measure of one exterior angle of a regular: 20 -gon 360 = 18˚ 20

Find the sum of the exterior angles of a: 20 -gon 360˚

Which quadrilaterals have: Congruent diagonals R, S, IT

Find the midpoint: (3, 5) (8, 9) AVERAGE!! (5. 5, 7)

Which quadrilaterals have: Perpendicular diagonals Rh, S

Which quadrilaterals have: 1 pair of opposite sides // Trapezoid

Which quadrilaterals have: 2 pairs of opposite sides congruent P, R, Rh, S

Find the measure of one exterior angle of a regular: Octagon 360 = 45˚ 8

Find the sum of the exterior angles of a: 37 -gon 360˚

Find the sum of the interior angles of a: Hexagon 4(180) = 720˚

Which angle is the smallest? Which side is the shortest? A B 65˚ 50˚ 65˚ 180 – 50 = 130 /2 = 65 C <A, side BC

Which quadrilaterals have: Diagonals that bisect each other P, R, Rh, S

Find the measure of angle J 72˚ J 54˚ 180 – 72 = 108 /2 = 54

Write a biconditional: If 2 segments are congruent, then they have the same length. Two segments are congruent iff they have the same length.

Which quadrilaterals have: Opposite angles congruent P, R, Rh, S

Find the sum of the exterior angles of a: septagon 360˚

Write a biconditional: If a polygon is a hexagon, then it has 6 sides. A polygon is a hexagon iff it has 6 sides.

Find the distance: (3, 5) 2 5 2 4 (8, 9) 2 d + = 25 + 16 = d 2 41 = d 2 6. 40 ≈ d

Find the midpoint: (-9, 7) (-8, -1) AVERAGE!! (-8. 5, 3)

Find the measure of one interior angle of a regular: Pentagon 3(180) = 108˚ 5

Write the converse: Is it true or false? If an animal is a panda, then it is black and white. If an animal is black and white, then it is a panda. (False—zebra)

Find the distance: (-9, 7) 2 1 2 8 (-8, -1) 2 d + = 1 + 64 = d 2 65 = d 2 8. 06 ≈ d

Find the midpoint: (10, -4) (4, 4) AVERAGE!! (7, 0)

Find the measure of one exterior angle of a regular: Decagon 360 = 36˚ 10

Find the sum of the exterior angles of a: nonagon 360˚

Find the distance: (-2, 3) 2 12 2 5 (10, -2) 2 d + = 144 + 25 = d 2 169 = d 2 13 = d

Find the midpoint: (-2, 3) (10, -2) AVERAGE!! (4, ½)

Which quadrilaterals have: Diagonals that bisect angles Rh, S

Write a biconditional: If a quadrilateral has both pairs of opposite sides congruent, then it is a parallelogram. A quadrilateral has both pairs of opposite sides congruent iff it is a parallelogram.

Find the distance: (2, -10) 2 7 2 24 (-5, 14) 2 d + = 49 + 576 = d 2 625 = d 2 25 = d

Find the midpoint: (2, -10) (-5, 14) AVERAGE!! (-1. 5, 2)

Find the measure of angle J 59 + 72 = 131 180 – 131 = 49 59˚ 72˚ 49˚ J

Write the contrapositive: Is it true or false? If an animal is a panda, then it is black and white. If an animal is not black and white, then it is not a panda. (True)

Find the sum of the interior angles of a: Dodecagon 10(180) = 1800˚

Which angle is the smallest? Which side is the shortest? A (x + 2)˚ 62˚ B 58˚ (x – 2)˚ 60˚x˚ C <B, side AC x + x – 2 + x + 2 = 180 3 x = 180 x = 60

Find the measure of one interior angle of a regular: 16 -gon 14(180) = 157. 5˚ 16

Find the distance: (10, -4) 2 6 2 8 2 d + = 36 + 64 = d 2 100 = d 2 10 = d (4, 4)

Find the measure of angle J (5 x + 1)˚ J (3 x + 3)˚ (3 x)˚ 5 x + 1 + 3 x = 180 11 x + 4 = 180 11 x = 176 x = 16 3(16) + 3 = 52˚

Which quadrilaterals have: 2 pairs of opposite sides // P, R, Rh, S