The Pythagorean Theorem can only be applied to this type of triangle.
What is a right triangle.
John is trying to determine the length of the staircase for a deck that is 12 ft. high. The stairs will start 21 ft. from the deck. What is the length of the staircase?
24.2 feet
Solve for b 42+b2=162
b=15
Do side length 6-8-10 form a right triangle?
Yes
Could the side lengths 5, 12, and 13 create a right triangle?
yes. 169=169
Do side lengths 12-25-37 form a right triangle?
No
A car traveled 8 miles south and 10 miles east. How far is the car from it's starting point?
A park is in the shape of a rectangle 8 miles long and 6 miles wide. How much shorter is your walk if you walk diagonally across the park rather than walking the two sides?
4 miles shorter