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How did the egyptians used the knotted rope to measure right triangles? - Answers

It is believed that they used a piece of rope, in the form of a loop, with 12 knots that were equidistant. If knots 1, 4 and 8 were attached to pegs and stretched out, they made a triangle of sides 3, 4 and 5. Then since 32 + 42 = 52, the pegs formed a right angle. Increasing the length of the rope and so the distance between the knots improved the accuracy. Note that the longest side goes from knot 8 to knot 13 which is actually knot 1.



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How did the egyptians used the knotted rope to measure right triangles? - Answers

https://math.answers.com/algebra/How_did_the_egyptians_used_the_knotted_rope_to_measure_right_triangles

It is believed that they used a piece of rope, in the form of a loop, with 12 knots that were equidistant. If knots 1, 4 and 8 were attached to pegs and stretched out, they made a triangle of sides 3, 4 and 5. Then since 32 + 42 = 52, the pegs formed a right angle. Increasing the length of the rope and so the distance between the knots improved the accuracy. Note that the longest side goes from knot 8 to knot 13 which is actually knot 1.



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https://math.answers.com/algebra/How_did_the_egyptians_used_the_knotted_rope_to_measure_right_triangles

How did the egyptians used the knotted rope to measure right triangles? - Answers

It is believed that they used a piece of rope, in the form of a loop, with 12 knots that were equidistant. If knots 1, 4 and 8 were attached to pegs and stretched out, they made a triangle of sides 3, 4 and 5. Then since 32 + 42 = 52, the pegs formed a right angle. Increasing the length of the rope and so the distance between the knots improved the accuracy. Note that the longest side goes from knot 8 to knot 13 which is actually knot 1.

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      It is believed that they used a piece of rope, in the form of a loop, with 12 knots that were equidistant. If knots 1, 4 and 8 were attached to pegs and stretched out, they made a triangle of sides 3, 4 and 5. Then since 32 + 42 = 52, the pegs formed a right angle. Increasing the length of the rope and so the distance between the knots improved the accuracy. Note that the longest side goes from knot 8 to knot 13 which is actually knot 1.

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