Question

A triangle has side lengths measuring 20 cm, 5 cm, and n cm. Which describes the possible values of n?

Answer 1

Sum of two sides of the triangle should be more than 3d side.
n<20+5,
n<25

Third side should be more than difference of two other sides.
n> 20-15
n>5

So, n should be
5<n<25.

Answer 2

15 25

Explanation:

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