Circles
What is the radius of a circle?
The radius of a circle is the distance from the center to the edge of the circle
what type of triangle has exactly one right angle?
A right triangle
What quadrilateral has 4 equal sides and 4 right angles?
A square
If an image gets translated, what does that mean?
It gets move around the coordinate grid
If something has a 50% probability, what is that in fractions?
1/2
how do you use the radius to find the diameter of a circle?
you multiply the radius of the circle by 2
What type of triangle has 2 equal sides and all acute anlges?
Isosceles triangle
what quadrilateral has 4 right angles and two pairs of parallel sides?
a Rectangle
If and image gets rotated what does that mean?
the image gets rotated in the specified direction that many degrees
What is 25% as a fraction?
1/4
What is the formula for the area of a circle?
A=(pi)r2
How do you find the area of a triangle?
1/2 times base times height
How do you find the area of a rectangle or square?
base times height
If an image gets dilated what does that mean?
If an image gets dilated it means it is either shrunk or enlarged.
if I flip a coin 10 times what is the theoretical probalility of how many times it will land on heads?
The theoretical probability is 5 out of 10 times
What is the formula for the circumference of a circle?
C=2(pi)r
How do you find the hypotenuse of a right triangle?
you use the formula a2+b2=c2
All angles in a perfect shape can be found using what formula?
(n-2) times 180
If an image gets reflected what does that mean?
It means it gets mirrored over either the x or y axis
How do you calculate the probability of a sequence of events?
you find each individual probability and then add them all together
If a circle has the a radius of 4 what is the area?
50.3
What do all of the interior angles in a trianlge add up to?
they all add up to 180
if a shape has 10 sides what number is all of the angles added?
1440
If I reflect point Q (9,9) over the x axis, what new point do I get?
(9,-9)
If a bag has 2 red marbles, 3 blue marbles and 5 purple marbles what is the probability of choosing a purple marble?
There is a 1/2 chance of 50% chance of choosing purple.