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Name: _________________________ Geometry Unit 5: Special Triangles Section 3: Right Triangles Parts of the Right Triangle A triangle is right if one angle is ________ degrees. In a right triangle, the other two interior angles each measure less than __________ degrees, and together their sum is ________ degrees. The side across from the right angle is called the ______________. The other sides are called _________. Draw a right triangle in the space below. Label the right angle, the legs, and the hypotenuse. Special Right Triangles: 30-60-90 Triangles A 30-60-90 triangle has __________ angles that measure 30 and 60 degrees. In a 30-60-90 triangle, the sides are always in this ratio: ______:_______;_______ The leg across from the 60 degree angle is always equal to n*______. The leg across from the 30 degree angle is always equal to ______. The hypotenuse is always equal to 2*_____. Special Right Triangles: 45-45-90 Triangles A 45-45-90 triangle has _______ angles that measure 45 degrees. Another name for a 45-45-90 triangle is an _________ right triangle. In a 45-45-90 triangle, the sides are always in this ratio: _____:_______:______ The legs are always equal to ____ and the hypotenuse is always equal to n*_______. The Pythagorean Theorem In a right triangle, the _________ of the hypotenuse is equal to the sum of the ___________ of the legs. The Pythagorean Theorem can be expressed as a2 + ____ = _____. A and b represent the legs, and c represents the _________.