Warm up

1
Warm up

• Solve
• 1. 12 6r 2r 36
• 2. 3k 5 7k 7
• 3. 2(x 4) 6x

r -3
k -3
x 2
2
Review the HW
3
The Distance Formula
4

• Example
• Find the distance between (1, 4) and (-2, 3).
• Round to the nearest hundredths.

D 3.16
5
Example Find the distance between the points,
(10, 5) and (40, 45). Round to the nearest
hundredths.
D 50
6
3. Find the distance between the points. Round
to the nearest tenths.
3.6
7
4. Find the distance between the points. Round
to the nearest tenths.
3.2
8
Pythagorean Theorem
9
Pythagorean Theorem Word Problems

• A square has a diagonal with length of 20 cm.
  What is the measure of each side? Round to the
  nearest tenths.

10
Pythagorean Theorem Word Problems

• A 25 foot ladder is leaning against a building.
  The foot of the ladder is 15 feet from the base
  of the building. How high is the top of the
  ladder along the building? Round to the nearest
  tenths.

11
Pythagorean Theorem Word Problems

• Ashley travels 42 miles east, then 19 miles
  south. How far is Ashley from the starting
  point? Round to the nearest tenths.

12
Pythagorean Theorem Word Problems

• What is the length of the altitude of an
  equilateral triangle if a side is 12 cm? Round to
  the nearest tenths.

13
Classwork Round to the nearest tenths.

• Worksheet

14
Classwork / HomeworkQuadrilaterals Task