Flashcards in Chapter 6 Deck (26):

1

## base angles of a trapezoid are formed by __________

### base and one of the legs

2

## diagonal

### a segment that connects 2 nonconsecutive vertices

3

## isosceles trapezoid

### occurs when legs of a trapezoid are congruent

4

## Kite

### quadrilateral with exactly two pairs of consecutive congruent sides

5

## legs of a trapezoid

### non-parallel opposite sides of a trapezoid

6

## midsegment of a trapezoid

### connects midpoints of legs of a trapezoid

7

## Parallelogram

### quadrilateral with both pairs of opposite sides parallel

8

## Rectangle

### parallelogram with 4 right angles

9

## Rhombus

### parallelogram with all four sides congruent

10

## Square

### parallelogram with 4 congruent sides and 4 right angles

11

## Trapezoid

### quadrilateral with exactly one pair of parallel lines

12

## Polygon interior angle equation

### ((Number of sides)-2)180

13

## Polygon exterior angle sum

### 360 degrees

14

## How many pairs of opposite sides have to be congruent for a quadrilateral to be a parallelogram?

### 2 pairs of opposite sides

15

## How many pairs of opposite angles have to be congruent for a quadrilateral to be a parallelogram.

### Both, or 2 pairs of opposite angles

16

## If a quadrilateral is a parallelogram, then its consecutive angles are ________

### supplementary

17

## If a parallelogram has 1 right angle, then it has

### 4 right angles

18

## If a quadrilateral is a parallelogram, what happens to its diagonals?

### They are bisected

19

## If a quadrilateral is a parallelogram, then each diagonal separates the parallelogram into.....

### 2 congruent triangles

20

## One pair of opposite sides must be _____ and _______ for the quadrilateral to be a parallelogram

### parallel, congruent

21

## If a parallelogram is a rectangle, it's diagonals are __________

### congruent

22

## If a parallelogram is a rhombus, it's diagonals are __________

### perpendicular

23

## If a parallelogram is a rhombus, each diagonal........

### bisects a pair of opposite angles

24

## if one pair of consecutive sides of a parallelogram are congruent, the parallelogram is a _______

### rhombus

25

## If a quadrilateral is both a rectangle and a rhombus, then the quadrilateral is a __________

### square

26