Angles
What do we call two angles that form a 180 degree angle?
Supplementary
__ ___ __
PQ + QR = PR
Segment Addition Postulate
What is a line called if it has only one endpoint and how is it notated?
Ray
If an animal is a cat, then it has whiskers.
State the conclusion.
it has whiskers.
What is the formula for area of a circle?
pi*radius squared
∠A and ∠B are complementary.
If m∠A=(4x+6)º and m∠B=(5x+3)º, then x = ___?
x=9
∠3 ≅ ∠4 then ∠4 ≅ ∠3
Symmetric Property of Congruence
If Q is between A and M and MQ = 7.3 and AM = 8.5, then QA = ___?
1.2
What is a line called that meets a circle at exactly one point on its circumference?
Tangent Line
Angle 1 and 2 are supplementary. m∠1=(6x+26)º and m∠2=(9x+4)º
What is m∠2?
94º
If m∠3 = 90, then ∠3 is a __________
right angle
Determine the slope of the line that
contains the points (1, 5) and (-2, 7).
-2/3
If an animal is a cat, then it has whiskers.
State the converse.
If an animal has whiskers, then it is a cat.
→
EG bisects ∠DEF. If m∠DEG=(3x+7)º and
m∠DEF=(4x+34)º, then m∠GEF = ____?
37º
If AB=3 and MN=3 then AB=MN
Substitution Property of Equality
Point E is between points G and T.
GE = 2x, ET = 3x-1, and GT = 14.
What is the value of x?
3
What is the definition of a chord?
A segment that connects two points on the circumference of a circle.
Find the value of x if angles 1 and 2 are linear pairs. m∠ 1=3x-35 and m∠ 2=4x+110
x = 15
Transitive Property of Equality
State the inverse:
4≤x<10
4>x≥10