if a rectangle box is 30cm (LENGTH) by 20cm (HEIGHT) by 10cm (WIDTH). What will the length be of the longest pencil that can fiT?

2017-03-01 2:52 pm

回答 (1)

2017-03-01 3:22 pm
The length of the lengthiest pencil that can fit
= The length of the diagonal of the box
= √(30² + 20² + 10²) cm
= √1400 cm
= 10√14 cm
≈ 37.4 cm (to 3 sig. fig.)


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