Transformations
A translation is when you do this to a figure
What is move it right, left, up or down?
What is a d=√(x₂-x₁)²+(y₂-y₁)²
A triangle that has all sides the same length
What is equilateral?
An exact location in space
What is a point?
Point (-6, -3) is located in which quadrant?
Find the new coordinates of (10,12) if you translate the point three units left and 4 units up
What is (7,16)?
Find the midpoint of the line segment AB where point A is at ( 0, 2 ) and point B is at ( -1, - 4 ).
What is (-.5,-1)?
A triangle that has two sides the same length
What is isocoles?
A part of a line with one endpoint and one arrow that goes on infinitely in one direction
What is a ray?
A shape that has 8 sides is called a
What is an octagon?
Write the notation of point (x,y) after it rotates 90 degrees clockwise
What is (y,-x)?
Given the points A and B where A is at coordinates ( 2, -5 ) and B is at coordinates ( -3, -7 ) on the line segment AB, find the length of AB.
What is √29 or 5.39
A triangle with one angle greater than 90 degrees
What is an obtuse triangle?
Lines that pass through each other and make 4 right angles
What are perpendicular lines?
Where two lines meet
What is a vertex?
A picture with one point (-3,4) was reflected over the line y=x. What should be the new coordinates of the point?
What is (4,-3)?
Henry just got out of school and he can either go to the library or to the mall. If the two places are equidistance from the school, the mall is at (9,2) and the school is at (3,4), where is the library located at?
(-3,6)
A triangle's interior angles will always add up to this
What is 180 degrees?
Collinear rays with the same endpoint. They form a line
What are opposite rays?
Angle sum of the interior angles of a polygon that has n-sides
What is Angle Sum = 180(n-2)
Graph ∆DEF after a dilation with a scale factor of 0.5. D(2,8) E(2,2) F(6,2)
What is D'(1,4), E'(1,1), F'(3,1)?
Lily is deciding between dessert or Teaway. Teaway is at (5,6) and the dessert house is at (9,-3). If Lily is standing in between them, where is she?
What is (7,1.5)?
The sum of the exterior angles of all triangles adds up to this
What is 360 degrees?
Two pieces added together equal the whole thing
What is the Segment/Angle Addition Postulate?
This is the relationship of opposite angles in a transversal
What is congruent?