What is the distance from the center to a side of a circle?
Radius
100
What polygon has four sides, two sets of parallel lines, and four 90 degree angles?
a rectangle.
100
What is the area formula for a triangle?
A=(1/2)bh
100
x^2 - 5x - 14 = 0
x=7 x=-2
100
An angle that is greater than 90 degrees and less than 180 degrees is called a(n)___________
Obtuse angle
200
What is the pythagorean Theorem equation?
a2 + b2 = c2
200
What is the name of a polygon in which all sides are congruent and all angles are congruent?
A regular polygon.
200
Find the perimeter of a square that has a side length of 12cm.
P=48cm
200
2x^2 − 3x− 5= 0
5/2=x -1=x
200
Find the missing complementary angle if one angle is equal to 36 degrees?
54 degrees.
300
A part of a line that includes two points, called endpoints, and all of the points between them is called a ____________
Line segment
300
What is the interior angle of a regular hexagon?
120 degrees.
300
Mary needs a fence around her backyard. The length of her backyard is 5m and the width is 8m. If fencing comes in sections of 3 and each section costs 4 dollars. How much money will Mary spend?
$42.00
300
3x^2+5x-12=0
X= -3 X= 4/3
300
A triangle has 2 sides of 6 and 7. What are the possible lengths of the 3rd side?
between 1 and 13.
400
What is the name of a 12 sided polygon?
Dodecagon.
400
What is the sum of the internal angles of a triangle?
180 degrees
400
Find the perimeter of a right triangle with one side length 6 feet, one side length 4 feet, and the other side length 9 feet.
P=19 feet
400
2x^2-3x-20=0
X= 5/2 X= -4
400
What is the circumference of a circle with a diameter of 16.3 meters?
32.6π or 102.36 meters
500
A trapezoid with congruent base angles and the legs are also congruent is called a(n)___________
Isosceles Trapezoid
500
What is the measure of each external angle of a regular decagon?
36 degrees
500
A square pizza box has an area of 324 in2. What is the length of one side of the pizza box?
18 inches.
500
2x^2−36=x
X= 9/2 X= -4
500
In parallelogram ABCD, diagonals AC and BD intersect at E. If angle A = 85, and AE = 3x + 10, and EC = 7x - 30, Find the measure of angle C and the value of x.