32+42=c2
C=?
C=5
A ladder is leaning against a wall. The bottom of the ladder is 3 feet away from the wall, and the ladder reaches 4 feet up the wall. How long is the ladder?
What part of a triangle is the hypotenuse?
The longest side, or C.
52+b2=132
B=?
B=12
A right triangle has one leg that is 6 meters long and a hypotenuse that is 10 meters long. How long is the other leg?
The other leg is 8 meters long.
What part of a triangle is the legs?
The shorter sides, or A and B.
62+b2=102
B=?
B=8
The diagonal of a rectangular TV screen is 15 inches. If the height of the screen is 9 inches, what is the width of the screen?
The width of the screen is 12 inches.
What shapes can use the Pythagorean Theorem?
Triangles, rectangles, squares, and cones.
82+152=c2
C=?
C=17
A right triangle has legs of lengths 5cm and 12cm. What is the length of the hypotenuse?
The hypotenuse is 13 cm long.
Can you find the legs and hypotenuse of a non-right triangle?
yes
82+b2=172
B=?
B=15
A ladder is leading against the wall. The bottom of the ladder is 7 feet away from the wall, and the ladder reaches up 24 feet the wall. How long is the ladder?
What angle does a right triangle always make?
90 degree