KM bisects JKL.Find mJKM.

mJKM = 30°

(7x – 12)°

Warm Up

Midpoint Exploration

Midpoint Formula

Midpoint of (x1, y1) and (x2, y2) is:

𝒙𝟏+𝒙𝟐

𝟐,𝒚𝟏+𝒚𝟐

𝟐

DON’T JUST MEMORIZE THE FORMULA. Understand what it

means. You are finding the values halfway between the x’s

and halfway between the y’s!!!

Answers to 5-8

5) (7.5, 7)

6) (-6, 1)

7) (½ , -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

𝒂𝟐 + 𝒃𝟐 = 𝒄𝟐

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