Geometry A Unit 5

Question 1

Altitude of a Triangle

Answer 1

An altitude of a triangle is a perpendicular line from a vertex to the opposite side.

Question 2

Cosine Ratio

Answer 2

With respect to an acute angle of a right triangle, the ratio of the side adjacent to the angle over the hypotenuse.

Question 3

Diagonal of a rectangular solid

Answer 3

A segment whose end points are not in the same plane.

Question 4

faces

Answer 4

The sides of a solid figure.

Question 5

Geometric Mean

Answer 5

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.

Question 6

Projection of point on a line

Answer 6

the point where a perpendicular through the point to the line intersects the line.

Question 7

Projection of a Segment on a Line

Answer 7

the portion of a line with end points that are the projections of the end points of .
the segment

Question 8

Proportion

Answer 8

An equation that states that two ratios are equal

Question 9

Ratio

Answer 9

The comparison of two numbers by division. The quotient is the ratio of the two numbers.

Question 10

Rectangular Solid

Answer 10

A solid figure whose faces are all rectangles.

Question 11

Similar Polygons

Answer 11

polygons whose vertices can be matched in 1:1 correspondence so that corresponding angles
are equal and corresponding sides are in proportion.

Question 12

Sine Ratio

Answer 12

With respect to an acute angle of a right triangle, the ratio formed by the side opposite the acute
angle over the hypotenuse

Question 13

Tangent Ratio

Answer 13

With respect to an acute angle of a right triangle, the ratio of the side opposite the acute angle over the side
adjacent to the acute angle.