Points that lie on the same line.
What is colinear?
A statement that can be written in the form of "If p, then q."
What is a conditional statement?
Line segment LB has a midpoint D. If the length of segment LB is 20 feet, what is the length of BD?
What is 10 feet?
name the triangle by sides and angles
What is an isosceles acute triangle?
The name of this shape and how you know
What is a rhombus because it has 4 congruent sides?
The sum of all of the side lengths of a figure.
What is the perimeter?
A statement that you can prove.
What is a theorem?
The measure of an angle is 97 degrees. What is the measure of its supplement?
What is 83 degrees.?
name the triangle by sides and angles
What is an equiangular and equilateral triangle?
True or False
All squares are rhombuses
What is true?
a2 + b2 = c2
What is pythagorean theorem?
You assume the conclusion is false then you show that this assumption leads to a contradiction.
What is an indirect proof?
D and E are midpoints. Measure of AC
What is 34?
name the way you can tell that the triangles are congruent
What is angle side angle congruence? ASA
angles a and e
What are corresponding angles?
Angles formed by 2 pairs of opposite rays
What is vertical angels?
A statement formed by switching the hypothesis and conclusion.
What is the converse?
The measures of the angles of a triangle can be represented by the expressions x°, (x + 20)°, and (2x)°. What is the measure of the three angles?
What is 40°, 60° and 80°?
An interior angle that is not adjacent to the exterior.
What is a remote interior angle?
When 2 lines are parallel and have a common transversal, the alternate interior angles are
What is supplementary?
If B is between A and C then AB + BC = AC.
What is the Segment Addition Postulate?
The contrapositive of the statement "If John eats the last cookie, then Bob will buy more"
What is "If Bob doesn't buy more cookies, then John will not eat the last cookie"?
The measure of x
What is 39 degrees?
If AD is congruent to BC and AC is congruent to BD, by what congruence statement can you prove triangle ACD congruent to triangle BDC and explain why.
What is SSS because segment CD is congruent to segment CD by the Reflexive Property?
The diagonals of a square are
(hint: 2 answers required)
What are perpendicular and bisect each other?