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for Safety reasons, the angle a ladder makes with the ground should be no greater than 72° find the length to the nearest foot of the shortest Ladder that will sately reach a root that is 20ft to high,

匿名用户 最后更新于 2021-12-01 19:18 数学类Mathematics

for Safety reasons, the angle a ladder makes with the ground should be no greater than 72° find the length to the nearest foot of the shortest Ladder that will sately reach a root that is 20ft to high,

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