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Published byEugene Allnutt Modified about 1 year ago

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Pythagorean Theorem, the sum of the areas of the two red squares, squares A and B, is equal to the area of the blue square, square C.

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John leaves school to go home. He walks 6 blocks North and then 8 blocks west. How far is John from the school? Here is how you can model this situation

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The distance from school to home is the length of the hypotenuse. Let c be the missing distance from school to home and a = 6 and b = 8 c2 = a2 + b2 c2 = c2 = c2 = 100 c = √100 c = 10 The distance from school to home is 10 blocks

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A 13 feet ladder is placed 5 feet away from a wall. The distance from the ground straight up to the top of the wall is 13 feet Will the ladder the top of the wall?

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Let the length of the ladder represents the length of the hypotenuse or c = 13 and a = 5 the distance from the ladder to the wall. c2 = a2 + b2 132 = 52 + b2 169 = 25 + b = b2 (minus 25 from both sides to isolate b2 ) 144 = 0 + b2 144 = b2 b = √144 = 12 The ladder will never reach the top since it will only reach 12 feet high from the ground yet the top is 14 feet high.

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When the ancient Egyptians were building the great pyramids at Giza, they checked each course or level of stones to make sure they were being laid square by measuring the diagonals. If each course of stones has the length of the square reduced by 2 meters what is the reduction in the length of each diagonal?

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problems.html hagoreantheorem.xml

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