110k views
1 vote
Find length of missing sides ​

Find length of missing sides ​-example-1

1 Answer

6 votes

A 45-45-90 triangle follows a unique pattern. It has two congruent sides and one side that = x * sqrt(2).

If AC = 9sqrt(2), then AB is also 9sqrt(2).

To find CB, we need to multiply 9sqrt(2) by sqrt(2).

9sqrt(2) * sqrt(2) = 9 * 2 = 18

CB = 18

Hope this helps!

User Jarmo Pertman
by
4.3k points