Geometry B, Assignment 10. Similar Right Triangles

What point is the projection of Q on RT?

S

What segment is the projection of QT on RT?

ST

If AD = 2 and DC = 8, find BD.

4

If BC = 6 and AD = 5, find DC.

4

Find x.

6

A =

9

The geometric mean of 8 and 2 is 4.

True

Three is the geometric mean between itself.

True

What segment is the projection of ST on QT?

UT

If DB = 4 and DC = 6, find AD.

2 2/3

If the product of the extremes is 8,then the geometric mean is:

2√2

If √6 is the geometric mean between 6 and another number, then the number is:

1

1. The point where a perpendicular through the point to the line intersects the line 2. For any positive real numbers; a, b, and x, if a/x = x/b, then x is called the geometric mean between a and b. Notice that .... 3. In a triangle, the perpendicular line from a vertex to the opposite side 4. The portion of a line with endpoints that are the projections of the endpoints of the segment

1. Projection of a point on a line 2. Geometric mean 3. Altitude of a triangle 4. Projection of a segment on a line

If √6 is the geometric mean between 4 and another number, then the number is:

1.5

Side AB in triangle ABD corresponds to which side of triangle ABC?

AC

18 is the geometric mean between 4 and 9.

False