Question

The Pythagorean Theorem can be used to find the missing side length of a triangle when two other side lengths are known.

Answer 1

Answer:

The value of b is 21

Step-by-step explanation:

29=√20^2+b^2

or, 29=√400+b^2

or, 841=400+b^2

or, 841-400=b^2

or, √441=b

b=21