# Measurement(3rd Quarter)

## 26 terms

### perimeter

the distance around any shape(polygon) except a circle

### circumference

the distance around a circle

### pi x 2 x r or pi x d

circumference formula

### area

the space inside a flat shape measured in square units

### l x w

rectangles and squares(area formula))

### b x h

parallelogram(area formula)

### b x h/2 or 1/2 x b x h

triangle(area formula)

### (b1+b2)/2 x h

trapezoid(area formula)

circle(area formula)

### surface area

the sum of the areas of a 3 dimensional solid in square units

### volume

the space inside 3 dimensional solid in cubic units

Cubes and prisms

### pi x radius squared x height

cylinder(volume formula)

1/2 of the diameter

### diameter

distance all the way across the center of a circle

### dimensions

refers to the length, width, height, base of a shape(the measurements)

to multiply by 2

to multiply by 3

### fencing, border, framing

examples of perimeter

examples of area

### wrapping a present, painting a building

examples of surface area

### filling a pool, soup, cereal in a box

examples of volume

### when you double dimensions and find area

the new area is 4 times larger

### when you triple dimensions and find area

the new area is 9 times larger

### when you double dimensions and find perimeter

the perimeter is 2 times larger

### when you triple dimensions and find perimeter

the perimeter is 3 times larger

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