difference in height = 2.1 - 1.7 = 0.4
right triangle base = 6, height = 0.4
so
hypotenuse = sqrt( 0.16 +36) = 6.013
just use stretchy clothesline 6 m long :)
a washing line is attached at points A and B on two vertical posts standing horizontal ground. Point A is 2.1 meters above the ground on one post. Point B is 1.7 meters above the ground on the other post. The horizontal distance between the two posts is 6 meters. Calculate the distance AB
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