Right Triangle

What is the length of x in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

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CCSS.8.G.B.8

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CCSS.HSG.SRT.C.8

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CCSS.HSG.SRT.C.8

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CCSS.HSG.SRT.C.8

The Pythagorean Theorem ONLY works on which triangle? 

• obtuse

• scalene

• isosceles

• right

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CCSS.8.G.B.8

Use the right triangle above to determine the value of x ?

Mathematical Equivalence

ON

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CCSS.8.G.B.7

If the Pythagoras property holds, the triangle must be _____

• right angled

• acute angled

• obtuse angled

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CCSS.8.G.B.8

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CCSS.HSG.SRT.C.8

• 118.3 ft long

• 21.1 ft long

• 55.2 ft long

• 45.3 ft long

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CCSS.HSG.SRT.C.8

What is the correct ratio?

• sin 40 = w/28

• cos 40 = w/28

• tan 40 = w/28

• sin 40 = 28/w

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CCSS.HSG.SRT.C.6