unit 1 scale drawings study guide

What are scale drawings?

A drawing of an actual place or thing and all of the measurements in the drawing correspond to the measurements of the actual object by the same scale

What is the scale?

A little bar that tells you how the measurements and a scale drawing represent the actual measurements of an object

if a copy of a polygon is scaled by a factor of 5/3 then the shape__________

Gets bigger

if a copy of polygon is scaled by a factor of 8/8 the shape________

Stays the same

What is a scale copy

a copy of a figure where every length is multiplied the same number

what is a scale factor

a number that you multiply each side by

do each of the corresponding________ have the same________?

angles and measure

1 inch to 4 ft means that for every __________in the scale drawing, there are ________in the actual object

inches in 4 feet

What does the scale represent? Scales tell you how the length of a drawing is__________ to its corresponding length of an actual object

measured

Is polygon PQRS a scaled copy of polygon ABCD? Look for a________ ________. Check the measure of the ________.

scale factor and angles

There are two conditions to look for to determine whether a figure is a scaled copy: Are each of the_____ sides created using the same________ ________?

scaled and scale Factor

How are the scale drawing and actual object related in the scale? the scale will always compare the size of the________ _________ to the size of the ________ ________

scaled drawing and actual object