A rectangular box has dimensions 12 by 16 by 21, as shown here:
12
16
21
Find the length of the diagonal, shown blue dashed, connecting a pair of opposite corners.
Hint: First find the lengths of the heavy red lines. You will use Pythagoras' Theorem twice.
Need help? Links to the Online Math Lab:

Question

03-10-2021
Mathematics

Answered

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A rectangular box has dimensions 12 by 16 by 21, as shown here:
12
16
21
Find the length of the diagonal, shown blue dashed, connecting a pair of opposite corners.
Hint: First find the lengths of the heavy red lines. You will use Pythagoras' Theorem twice.
Need help? Links to the Online Math Lab:

Sagot :

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