What is the relationship of the angles?
Supplementary
If P-Q-R, then PQ + QR = PR
Betweenness of Points Theorem
What is the correct name for this line?
AB
How many non-collinear points determine a plane?
3
∠A and ∠B are complementary.
If m∠A=(4x+6)º and m∠B=(5x+3)º, then x = ___?
9
∠1 = ∠2
Vertical angles are equal.
How would Euclid describe a point?
That which has no part.
m∠3=(6x+40)º and m∠4=(9x+4)º
What is m∠4?
112º
If AB is perpendicular to MN, then ∠MNB is...
... a right angle.
(Perpendicular lines form right angles.)
AD = 10, BC = 5, and AB = CD. Find BD.
7.5
What is the name of the tool used to measure an angle?
A protractor
CD bisects ∠BCA. If m∠BCD=(3x+7)º and
m∠BCA=(4x+34)º, then m∠ACD = ____?
37º
If M is the midpoint of AB, then AM ≅ MB
Definition of Midpoint
If the sides of a triangle have lengths x, 2x, and y what is the perimeter?
3x+y
If ∠1 is complementary to ∠2, then...
m∠1 + m∠2 = 90
(Definition of complementary angles)
Calculate the distance between points (-4, 2) and (15,6).
___
√377 = 19.4
Multiply (2x+6)(5x-7)
10x2 + 16x -42