A rectangular aquarium has internal dimensions .

MATHEMATICS · Multi-part · CBSE · Mathematics · Introduction to Three-Dimensional Geometry · Introduction to Three-Dimensional Geometry

Problem

A rectangular aquarium has internal dimensions 90 cm×60 cm×45 cm90\,\text{cm} \times 60\,\text{cm} \times 45\,\text{cm}. (i) Find the length of the longest straight glass tube that can fit entirely inside the aquarium without bending. (ii) Express your answer in metres, correct to two decimal places.

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