21. Use the Pythagorean Theorem to find the missing lengths.

a.

b.

22. Find the length of the line.

1 answer

Without specific values provided, it is not possible to find the missing lengths or the length of the line. The Pythagorean Theorem requires the lengths of the sides of a right triangle to be known in order to calculate the missing length. If specific values are provided, they can be substituted into the formula to find the missing lengths or the length of the line.