Geometry Right Triangle Altitude Theorem

To construct a ____________, you draw a segment from the vertex, which is perpendicular to the opposite side.

• Median

• Perpendicular Bisector

• Altitude

• Angle Bisector

The orthocenter is the intersection of the ______________.

• Medians

• Perpendicular Bisectors

• Altitudes

• Angle Bisectors

The distance from a vertex to the opposite base at a right angle - the "height" of a triangle.

• median

• orthocenter

• hypotenuse

• altitude

In the accompanying diagram, ΔABC is a right triangle and CD is the altitude to the hypotenuse AB. If AD = 4 and DB = 16, find the length of CD.

• 4√5

• 8

• 4√15

• 2√5

• (1)

• (2)

• (3)

• (4)

For which type of triangle is an altitude a side of the triangle?

• acute

• obtuse

• right

• equilateral

• scalene

• 50°

• 35°

• 70°

• 80°

• cannot be determined

Which of the following must be true for the figure (not drawn to scale)?

In the picture, \overline{BD}\ \cong\

• FC

• BG

• AE

• DC

The Pythagorean Theorem ONLY works on which triangle? 

• Obtuse

• Right

• Acute

• Isosceles