Flashcards in Quiz 25, 12.1 - 12.6 Deck (17)

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1

## two rays that share a common endpoint

### angle

2

## intersecting lines that form four right angles

### perpendicular lines

3

## lines that never intersect

### parallel lines

4

## a group of points having two endpoints

### line segment

5

## a four-sided polygon

### quadrilateral

6

## a rectangle having four congruent sides

### square

7

## an eight-sided polygon

### octagon

8

## a quadrilateral having only two sides that are parallel

### trapezoid

9

## formula for perimeter of a rectangle

### P = 2l + 2w

10

## formula for perimeter of a square

### P = 4s

11

## formula for perimeter of a parallelogram

### P = 2l + 2w

12

## formula for area of a square

### A = s * s

13

## formula for area of a rectangle

### A = lw

14

## formula for area of a parallelogram

### A = bh

15

## find the area of a square with 4 ft. sides

### 16 sq. ft.

16

## find the area: rectangle - length = 22 m & width = 18 m

###
22 x 18 =

396 sq. m

17