T/F The distance of a segment can sometimes be negative
False
Besides the distance formula, what other way can be used to find the distance between two points?
Pythagorean Theorem
Draw the symbol that is traditionally used for "congruent."
See whiteboards.
Solve for c: 32 + 42 = c2
c = 5
Angles that are linear pairs are also ______________ and ________________.
Adjacent and Supplementary
If S is between points R and T, SR = 5.9mm and ST=14.3mm, find RT. Be sure to include the correct units.
8.4mm
Define and draw a vertical angle pair.
see whiteboards
Find the distance between the points: (2,4) and (4,8). Round to the nearest tenth.
4.5
Find the midpoint between (34, -57) and (-68, 128). Your answer must be written as an ordered pair!
(-17, 35.5)
The endpoints of a segment are (6, -2) and (4,8). Find coordinate of the midpoint.
(5,3)
Two angles are complementary. One angle is 4x and the other is x. Find the measurement of each angle.
72 degrees and 18 degrees
Use the pythagorean theorem to find the distance between: (0,1) and (3,6)
Round to the nearest tenth
see whiteboards
distance = 5.8
Tell whether each statement is always, sometimes, or never true 1. Complementary angles are congruent 2. Planes can be named with collinear points 3. A line may be named with three points
1. sometimes
2. never
3. never
Points S, T, and P lie on a number line in that order. Their coordinates are 0, 1, and x, respectively. Given that ST is congruent to TP, what is the value of x?
2
Find the distance between the points: (-3, -5) and (-7, -9). Round to the nearest tenth
5.7
Point B is between points A and C. If AB = 2x-5, BC = 15 and AC = 4x-12, find x and AC.
x = 11
AC = 32