There is a rectangular picture frame that has a width of 2 ft and length of 3 ft. A similar rectangular picture frame has a length of 4.2 ft. What is the width?
2.8 ft
100
Are there any congruent figures in the American Flag?
Yes - the stars are all congruent; 1/2 stripes are congruent.
100
The ratio USED to enlarge or reduce similar figures
Scale factor
200
Are 5/6 and 15/18 proportional?
Yes
200
Solve: 2/11 = 12/d
d = 66
200
A palm tree casts a shadow that is 44 feet long. A 6 ft ladder casts a shadow of 16 feet long. What is the height of the palm tree?
16.5 ft
200
You have a penny and a dime that both landed on heads after you flipped them. Are there any congruent figures?
No
200
Technique of using similar figures and proportions to find a measure
Indirect measurement
300
Are 10/12 and 20/32 proportional?
No
300
Solve: 3/8 = a/64
a = 24
300
Kareem and Julio have rectangular model train layouts that are similar to each other. Julio's layout is 4 ft by 7 ft. Kareem's layout is 6 ft wide. What is the length of Kareem's layout?
10.5 ft
300
Triangle A has side lengths of 10 m, 22 m, and 14 m. Triangle B has side lengths of 22 m, 10 m, and 14 m. Are these two triangles congruent?
Yes
300
The ratio between two sets of measurements
scale
400
Are 9/10 and 45/50 proportional?
Yes
400
Solve: e/22 = 6/15
e = 8.8
400
A 6 ft tall adult casts a shadow that is 15 ft long. What is the height of a child who casts a 10 ft. shadow?
4 ft
400
Quadrilateral A has dimensions of 15 ft by 6 ft. Quadrilateral B has dimensions of 15 ft by 6 ft. Are these two quadrilaterals always going to be congruent? Why or why not?
No because we don't know if the two quadrilaterals have the same angles.
400
A sketch that uses a ratio to make an object smaller than or larger than the real object.
scale drawing
500
Jeremy earns $234 for 36 hours of work. Miguel earns $288 for 40 hours of work. Are the pay rates of these two people proportional?
No; Jeremy earns $6.50 per hour, Miguel earns $7.20 per hour.
500
Solve: 28/9 = 19.6/m
m = 6.3
500
An architect is building a model of a tennis court for a new client. On the model, the court is 6 in wide and 13 in long. An official tennis court is 36 ft wide. What is the length of a tennis court?
78 ft long
500
Triangle ABC is congruent to Triangle DEF. If the side lengths for Triangle ABC are 8 in, 10 in, and 6 in, what is the length of side DE if the other two sides are 10 in and 6 in?