Presentation is loading. Please wait.

Presentation is loading. Please wait.

Warm-up D A 60 feet C B 90 feet. A person is standing at point A cheering on his favorite team. Round to nearest tenth. Find the height AB.

Similar presentations


Presentation on theme: "Warm-up D A 60 feet C B 90 feet. A person is standing at point A cheering on his favorite team. Round to nearest tenth. Find the height AB."— Presentation transcript:

1 Warm-up D A 60 feet C B 90 feet. A person is standing at point A cheering on his favorite team. Round to nearest tenth. Find the height AB.

2 UNIT QUESTION: What patterns can I find in right triangles?
Math II UNIT QUESTION: What patterns can I find in right triangles? Standard: MM2G1, MM2G2 Today’s Question: How do we solve 45°-45°-90° right triangles? Standard: MM2G1.b

3 5.1 Special Right Triangles
Learning Task – Part 2

4 5.1 Special Right Triangles
You will be able to find the lengths of sides of special right triangles And

5

6 Special Right Triangles
Leg:Leg:Hypotenuse

7 LEGS ARE THE SAME LENGTH
In a triangle… LEGS ARE THE SAME LENGTH We will use a reference triangle to set up a proportion then solve.

8 This is our reference triangle for the 45-45-90.
Right Triangle 1 1 This is our reference triangle for the

9 Right Triangle x x

10 EX: 1 Solve for x x a√2 a 3 a 3

11 EX: 2 Solve for x x a√2 a 5 a 5

12 EX: 3 Solve for x 45 3 a√2 a a x

13 Area = 72 in.2 Extension Problem
The diagonal of a square is 12 inches. Find the area. Round to the nearest tenth. 12 in. Area = 72 in.2

14 Homework Page 153 #1-9, 23-24


Download ppt "Warm-up D A 60 feet C B 90 feet. A person is standing at point A cheering on his favorite team. Round to nearest tenth. Find the height AB."

Similar presentations


Ads by Google