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KM bisects JKL.Find mJKM.
mJKM = 30Β°
(7x β 12)Β°
Warm Up
Midpoint Exploration
Midpoint Formula
Midpoint of (x1, y1) and (x2, y2) is:
ππ+ππ
π,ππ+ππ
π
DONβT JUST MEMORIZE THE FORMULA. Understand what it
means. You are finding the values halfway between the xβs
and halfway between the yβs!!!
Answers to 5-8
5) (7.5, 7)
6) (-6, 1)
7) (Β½ , -9)
8) (10, 11)
Distance
Can we find the distance (aka the length) of a line?
Can we find the distance (aka the length) of a line
segment?
Distance Formula
How far apart are these two points???
Quick Lesson: Pythagorean Theorem
If a and b are the short sides (legs) of a right
triangle, and c is the long side (hypotenuse), then
a
b
c
ππ + ππ = ππ
Find the missing side.
3
4
c
Find the missing side
2
6
c
How can we use the Pythagorean
Theorem help us with this problem?
How far apart are these two points?
Homework
Worksheet
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