Find the sum of the measures of the exterior angles of a convex 33-gon
What is 360
Find the sum of the measures of a convex 15-gon
What is 2340?
(15-2)180 =
Which of the following is a property of parallelograms? A. Each pair of opposite sides is congruent B. Only one pair of opposite sides is congruent. C. Each pair of opposite angles is supplementary D. There are four right angle
What is A
Which of the following is true for all rectangles? A. The diagonals are perpendicular B. The consecutive angles are complementary C. The opposite sides are supplementary D. The diagonals are congruent.
What is D
Diagonals are perpendicular in a rhombus
Consecutive angles are SUPPLEMENTARY
Opposites SIDES are congruent
The length of one base of a trapezoid is 20 meters and the length of the other base is 30m. What is the length of the median?
What is 25 meters
(20+30)/2
Find the sum of the measures of the exterior angles of a convex 104-gon
What is 360
Find the sum of the measures of the interior angles of a convex 28-gon
What is 4680?
(28-2)(180) =
Find the value of x in the parallelogram on the board.
What is x = 5
3x+5 = 6x - 10
Opposite sides are congruent
In rectangle ABCD, AB= 8x-2 and CD = 4x+14. What is the length of AB
What is 30
8x-2=4x+14, x=4
8(4)-2 = 30
What is the perimeter of the rhombus?
What is 57.7
82+122 = side2
208 = side2 , each side is 14.42
Find the measure of one exterior angle of a convex 72-gon.
What is 5
Find the measure of an interior angle of a convex 14-gon
What is 154.28571
Total: (14-2)180 =
Total/n
Find the value of x in the parallelogram
What is 24
5x + 2x + 12 = 180
Consecutive angles are supplementary
Find A so that ABCD is a rectangle, if the remaining vertices are B(-7, 3), C(5,3), D(5, -8)?
What is A(-7, -8)
Find the value of y in the isosceles trapezoid
What is 9?
Opp angles are supp in an isosceles trapezoid
64 + 4(3y+2) = 180
64 + 12y + 8 = 190
Find the measure of one exterior angle of a convex hexagon
What is 60
Find the measure of each interior angle of a convex octagon
What is 135
Total: (8-2)(180)
Each one: Total / n
Find x, y, and z
x = 37 (opp. sides are =)
y = 105 (consecutive angles are supp)
z = 75 (opp angles are = )
To prove a parallelogram is a rectangle, which test would you do? A. Prove both pairs of opposite sides are congruent B. Prove both pairs of opposite angles are congruent C. Prove the diagonals bisect each other D. Prove the diagonals are congruent.
What is D
What type of quadrilateral has vertices at (0,0), (2,3), (6, 3), and (4,0)?
What is a parallelogram?
Find the measure of one exterior angle of a convex dodecagon
What is 30?
Find the meaure of each interior angle of a convex hexagon
What is 120?
Total: (6-2)(180)
Each one: Total/n
The coordinates of a parallelogram are A(10, 3), B(8, -3), C(-3, -3). Find the coordinate of D so that ABCD is a parallelogram
What is D(-1, 3)
Find the value of angle WZV in the rhombus drawn on the board.
What is 27?
Triangle = 180, 63+90=153, 180-153 =
In a rhombus the diagonals are angle bisectors
Each interior angle of a regular polygon is 150o. How many sides does the polygon have?
What is 12 sides
Interior = 150, so exterior = 30
number of sides = Exterior Total /Each Exterior
n = 360/30