Vocabulary
A ray.
What is a straight line that has one end point?
What is another way to describe a translation?
A slide
If angle a and angle b are vertical angles, are they congruent or supplementary?
congruent
How many degrees make up the inside of a triangle?
180 degrees
What is the formula for volume of a cylinder?
pi*r2*h
A right angle
What is an angle that is worth 90 degrees?
What information do you need to do a rotation?
degrees and clockwise or counterclockwise
If angle a = 3x and angle b = 36 - x, and they are congruent angles, solve for x.
x = 9
What is the equation to find the sum of interior angles?
(n - 2) * 180
Find the volume of a cone with a height of 7 and a radius of 3. Round to the nearest hundredth.
65.97
Two lines the lie side-by-side and never touch.
Parallel lines
If you have a point at (2, 2) and do a reflection over the y-axis, where will your new point be?
(-2, 2)
If you have two supplementary angles, what do they add up to?
180 degrees
What is the sum of interior angles of a pentagon?
(5 - 2) * 180 = 540 degrees
Find the volume of a sphere with a diameter of 10 cm. Round your answer to the nearest hundredth.
523.6
Two lines that connect to form a right angle.
Perpendicular Line
What is the rule for rotating 270 degrees clockwise?
*start with
(x, y) --- (___, ____)
(x, y) --- (-y, x)
3x + 7 and 2(x + 3) are supplementary angles. Solve for x.
x = 33.4
What is the equation for find the measure of an interior angle?
(n-2) * 180/ n
A rectangular prism and a cylinder are a compound shape. If the rectangular prism has a volume of 63 inches cubed and the cylinder has a volume of 15 inches cubed, how much is the total volume?
78 inches cubed
An angle that is 165 degrees would be what kind of angle?
a. acute
b. right
c. obtuse
d. straight
c. obtuse
You start at (2, 1) then you reflect over the x-axis, then immediately rotate 90 degrees counter-clockwise. Where do you end up?
(1, 2)
Angle w = 4x
Angle y = 2x + 8
These are congruent angles. What is the measure of these angles?
4x = 2x + 8
2x = 8
x = 4
4(4) = 16
2(4) + 8 = 16
What is the measure of an interior angle of a heptagon? (Round to the nearest hundredth)
128.57
What is a compound shape?
Two or more shapes put together.