Jaden V.

asked • 02/26/22

A board 90cm long just fits inside the bottom of a box 80cm long and 60cm wide. How wide is the board?

PLEASE NEED HELP TODAY!

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JACQUES D. answered • 02/26/22

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It seems to me that the board lies along the diagonal (100 cm long) and it is 90 cm long, leaving 5 cm at each end. At the ends of the board, you have isosceles right triangles made with the corners of the box of height 5 cm. that means the sides are 5sqrt(2). the base of the triangle is the width of the board which is 10 cm.

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