# Math Exam

## 37 terms

TAN

### Scalene

No congruent sides

### Exterior Angles

When the sides of a triangle are extended, the angles that are adjacent to the interior angles

### Interior Angles

When the sides of a triangle are extended, the three original angles of the triangle

### Trapezoid

A quadrilateral with exactly one pair of parallel sides, called bases

### Equiangular Triangle

A triangle with three congruent angles

C=A+B (squared)

### Translation

A transformation that moves every point of a figure the same distance in the same direction

### Equilateral Triangle

A triangle with three congruent sides

### Alternate Exterior Angles

Two angles that are formed by two lines and a transversal and lie outside the two lines and on opposite sides of the transversal

### Alternate Interior Angles

Two angles that are formed by two lines and a transversal and lie between the two lines and on opposite sides of the transversal

### Rectangle

A parallelogram with four right angles

### Image

The new figure that is produced in a transformation

### Reflection

A transformation that uses a line of reflection to create a mirror image of the original figure

### Right Angle

An angle with measure equal to 90 degrees

### Obtuse Angle

an angle with measure between 90 and 180 degrees

### Supplementary

Two angles whose measures have the sum 180 degrees

### Complementary Angles

Two angles whose measures have the sum of 90 degrees

### Rotation

A transformation in which a figure is turned about a fixed point called the center of rotation

### Sqaure

A parallelogram with four congruent sides and four right angles

### Kite

A quadrilateral that has two pairs of consecutive congruent sides but in which opposite sides are not congruent

### Rhombus

A parallelogram with four congruent sides

Area= 1/2 (b)(h)

### Perpendicular lines

Two lines that intersect to form a right angle

### Consecutive Interior angle

Two angles that are formed by two lines and a transversal and lie between the two lines and on the same side of the transversal. Also called same side interior angles

### Vertical Angles

Two angles whose side form two pairs of opposite rays

### Corresponding Angles

Two angles that are formed by two lines and a transversal and occupy corresponding positions

Formula: SIN

### Relfection in the X & Y axis

Multiply one of them by (-) 1

### Straight Angle

An angle with measure equal to 180 degrees

### Isosceles

2 congruent sides

Formula: COS

### Acute Angle

An angle with measure between 0 and 90 degrees

### Theorem

a true statement that follows as a result of other true statement

### Postulate

A rule that is accepted without proof also called axiom

### Vertical angles

Two angles whose sides from two pairs of opposite rays