What is the relationship of ∠1 and ∠2 ?
They are supplementary
What is the slope formula?
Define the following triangles:
Equilateral-
Isosceles-
Scalene-
Equilateral- All sides of the triangle are the same length
Isosceles- Only 2 sides of the triangle are the same length
Scalene- None of the sides of the triangle are the same length
Point U is on line segment TV. Given TV=7 and TU=2, determine the length UV.
UV = 5
Complementary angles add up to...
and
Supplementary angles add up to...
Complementary angles add up to 90º
and
Supplementary angles add up to 180º
m∠LKM = 30°
m∠LKJ = 80°
Find m∠MKJ
m∠LKJ = 50°
−3(−x+4)−5x+5=−15
Solve for x.
x=4
Define the following and give an example:
Right angle-
Acute angle-
Obtuse-
Right angle- measures exactly 90°
Acute angle- measures less than 90°.
Obtuse- measures more than 90° but less than 180°
Point H is on line segment GI. Given HI=3 and GI=10, determine the length GH.
GH = 7
Vertical angles are found _____ from each other and have (same/different) measurement.
Vertical angles are found ACROSS from each other and have (same/different) measurement.
The angles below are supplementary
m∠A=(6x+40)º and m∠B=(2x+4)º
What is the value of x?
x=17
What is the slope of the line that passes through the points (2,−6) and (6,−12)?
Write your answer in simplest form.
−3/2
*Powerpoint image*
Scalene Right Triangle
Point T is on line segment SU. Given ST=3x+2, TU=3x+4, and SU=5x+9, determine the value of X.
Segment C is an example of...
This is an example of an angle bisector.
Angle bisector is a line or segment that divides an angle into two equal parts.
∠A and ∠B are complementary.
If m∠A=(4x+6) and m∠B=(5x+3), then x = ___?
x=9
Find the midpoint of points A(−8,1) and B(−1,−3)
Midpoint:
(−4.5,−1)
In triangle ABC:
m∠A is 67º
m∠B is 38º
Find the measurement of ∠C
m∠C = 75º
Point U is on line segment TV. Given TV=3x, UV=x+1, and TU=x, determine the numerical length of TU.
TU=1
Define:
Collinear:
Coplanar:
Collinear: A point on the same line
Coplanar: A point on the same plane
x= 52°
y=38°
Find the distance between (−8,−3) and (−1,4).
Put your answer in simplest radical form.
7√2
Which of the following sets of numbers could NOT represent the three sides of a triangle.
{12,19,28}
{14,26,38}
{4,17,23}
{12,19,28} PASS! Is a triangle.
{14,26,38} PASS! Is a triangle.
{4,17,23} - FAIL! Is NOT a triangle.
Point F is on line segment EG. Given EF=2x, EG=5x, and FG=2x+4, determine the numerical length of EG
Draw an example of:
Point
Line
Segment
Ray