A A person is standing at point A cheering on his favorite team. Round to nearest tenth. a)Find the height CD of the bleachers. b)Find the height of the.

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Presentation transcript:

A A person is standing at point A cheering on his favorite team. Round to nearest tenth. a)Find the height CD of the bleachers. b)Find the height of the fan at Point A from the ground. c)Find the distance AB that the fan is from the field at B. B D C 90 feet. 30° 52.0 feet 39.0 feet 77.9 feet

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

Learning Task – Part 2

You will be able to find the lengths of sides of special right triangles And

Leg:Leg:Hypotenuse

In a triangle… We will use a reference triangle to set up a proportion then solve.

Right Triangle 1 1 This is our reference triangle for the

Right Triangle x x

3 3 x EX: 1 Solve for x a√2 a a

5 5 x EX: 2 Solve for x a√2 a a

x 3 45 EX: 3 Solve for x a√2 a a

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

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