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?
回答 (1)
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.)
收錄日期: 2021-04-18 16:05:04
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