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Published byJacob McDermott Modified over 3 years ago

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Special Right Triangles Isosceles Right Triangles 45 –

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o x = x 2 2 = x 2

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1 1 Ratio Leg:Leg:Hypotenuse leg hypotenuse

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Isosceles right triangles are all similar

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1 1 Ratio Leg:Leg:Hypotenuse leg hypotenuse

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Ex. # 1 – Find the lengths of missing sides 5cm x y 1 1

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30 – 60 – 90 Triangles

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o 30 o 1 ?x x 2 = 2 2 x 2 = 3

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2 hypotenuse 1 short Leg long leg 60 o 30 o Ratio, hypotenuse:short leg:long leg

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30 – 90 – 60 triangles are all similar

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2 hypotenuse 1 short Leg long leg 60 o 30 o Ratio, hypotenuse:short leg:long leg

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Ex. # 2 – Find the lengths of the missing sides 2 hypotenuse 1 short Leg long leg 60 o 30 o 7 x y y 60 o 30 o

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