8­2 Day 1 Special Right Triangles 2011
January 28, 2011
8­2 Special Right Triangles
(First half)
Objective: Apply the properties of 45o­45o­90o triangles
to find missing side lengths.
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
45
1
90
45
How long is the hypotenuse?
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
Now how long is the hypotenuse?
45
x
90
45
x
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
Find the value of each variable.
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
Find the value of x.
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
A square garden has sides 100 ft. long. You want to build a brick path along a diagonal of the square. How long will the path be? Round your answer to the nearest foot.
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
HOMEWORK
pg. 428 #1­8, 21­22, 33­34
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8­2 Day 1 Special Right Triangles 2011
January 28, 2011
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