Two or more figures are similar if they have
the same ________.
What is shape?
100
Use a scale factor of 2 to create a similar rectangle to a 2in by 3in rectangle. What are the length and width of the new rectangle.
What is 4in by 6in?
100
2 in by 3 in rectangle and a 6 in by 9 in rectangle
What is 3?
100
(2x, 2y)
What is makes the figure larger?
100
Jeffrey compares his height with his little sister. Jeffery is 40 inches tall with a 12 inch long shadow. His younger sister's shadow is 6 inches long. How tall is Jeffery's sister?
What is 20 inches
200
These remain the same on all similar figures.
What are (corresponding) angles?
200
Use a scale factor of 4 to create a similar triangle to a triangle with a base of 4in and a height of 3in. What are the base and height of the new triangle.
What is a base of 16in and a height of 12in.
200
a triangle with a base of 4 mm & a height of 2 mm changing to a triangle with a height of 1 mm and a base of 0.5 mm.
What is 1/4 or 0.25?
200
(x-4,y+2)
What is move the figure to the left 4 units and up 2 units.
200
Find the missing angle measurement of Triangle ABC; Angle A is 35 degrees and Angle B is 65 degrees. How many degrees is angle C?
What is 80 degrees?
300
In similar figures the side lengths are
changed by ___________
What is the same amount (or the scale factor)?
300
Use a scale factor of 1/2 to create a similar square to a 4in by 4in square. What are the length and width of the new square.
What is 2in by 2in.
300
A trapezoid with a base of 9cm and a height of 6cm, changed to a trapezoid with a base of 3cm and a height of 2 cm.
What is 1/3 or 0.33
300
(0.2x,0.2y)
What is the shape gets smaller?
300
You want to race to the top of the tree against your friends. You do not know how tall the tree is. The shadow is 4 m, you are 1.5 m, and your shadow is .75 m. How tall is the tree?
What is 8 m?
400
If your scale factor is greater than 1 your new figure will be _________ than the original figure.
What is larger?
400
Use a scale factor of 1/3 to create a similar rectangle to a 3in by 12in rectangle. What are the length and width of the new rectangle.
What is 1in by 4in?
400
A square with 6 cm side lengths changed into a square with 18 cm side lengths.
What is 3?
400
(x+3,y-5)
What is the figure will move 3 units to the right and 5 units down?
400
A horse show is being televised. The lead horse is 80 inches in real life, but on the monitor he is 15 inches. The last horse is 13 inches tall on the monitor. How tall is the last horse in in real life?
What is 69.3 inches?
500
If your scale factor is less than 1 your new figure will be _________ than the original figure.
What is smaller?
500
Use a scale factor of 2.5 to create a similar rectangle to a 2in by 3in rectangle. What are the length and width of the new rectangle.
What is 5in by 7.5in?
500
A 4 in by 6 in rectangle changed into a 6 in by 9 in rectangle.
What is 1.5 or 1 1/2?
500
(2x+1, 2x-2)
What is the figure gets bigger, moves 1 space to the right and 2 spaces down.
500
If the scale factor for 2 similar squares is 5, what is the scale factor for their areas?