Word Probs
Similar or Not
Find the Scale Factor
Scale
Vocabulary
100
An original photograph is 4 inches wide by 6 inches high. An ad agency is increasing the size of the photo to 20 inches wide. This is the height of the new photo.
What is 30 inches?
100
True or False:Two triangles who's angles are proportional and sides are congruent are similar triangles .
What is False?
100
A square with side length 6 cm is created from a square with side length of 3 cm. This is the scale factor.
What is 2?
100
1 inch on a map is 5 miles. If the distance between two points on a map is 3 inches, this is the real world distance between the two points.
What is 15 miles?
100
These are figures that are the same shape but not the same size. Their angles are congruent and sides are proportional.
What are similar polygons?
200
A tree casts a shadow of 12 feet. At the same time, a 2 foot tall stick casts a 1 foot shadow. This is the height of the tree.
What is 24 feet?
200
True or False: Two rectangles with congruent angles and proportional sides are said to be similar.
What is True?
200
A regular octagon is created with a side length of 11 cm from a regular octagon with a side length of 22 cm. This is the scale factor.
What is 1/2?
200
Mr. Newman built a scale model of a building to 1in :16ft scale. The length of the real building was 48 feet, this is the length of the scale model.
What is three in.?
200
An equation stating that two ratios are equal is called a
What is proportion?
300
The real statue of liberty is 46 meters base to torch and the width of the crown is 3 meters. A scale model is to be made to be 23 inches tall, how wide should the crown be made?
What is 1.5 meters?
300
Similar or not? Triangle 1 has sides 5, 7, 8 and Triangle 2 has sides 15, 21, 24.
What is yes --> 5/15=7/21=8/24?
300
A triangle has a base of 15 inches and was created from a triangle with base 2 inches. This is the scale factor.
What is 7.5?
300
A scale model of the Empire state building is 2cm=3 ft. The actual building is 1,454 feet tall. How many centimeters tall is the model? est. to the nearest cm.
What is 969?
300
Any method that uses formulas, similar figures, and/or proportions to measure an object.
What is indirect measurement?
400
TV sizes are reported by the diagonal length. A 40" SmartTV has a horizontal length of 35". A similar SmartTV has a horizontal length of 22". This is the diagonal length of the TV to the nearest 10th of an inch.
What is 25.1"?
400
The similarity theorem that proves these two triangles are similar.
What is side-angle-side (SAS)?
400
The new length of a shape is 22.5 cm. The old length of the shape was 10 cm. This is the scale factor.
What is 2.25 or 2 1/4?
400
A scale drawing of a park shows that the pool is 1.5 in. away from the swings . If the scale is 1 in.=75 feet. How many feet is between the pool and the swings?
What is 112.5 ft.?
400
A transformation that changes the size of a figure but not its shape.
What is dilation?
500
Mr. Newman is creating a new brand of smart phone called the Pi-Phone with dimensions 3" wide by 14" in length. He is also planning a Pi-Phone-Mini which will be 2.4" wide, this is the length of the mini.
What is 11 1/5 inches or 11.2 inches?
500
By what theorem are these two triangles similar and what is the similarity statement?
What is Angle-Angle (AA) and ABC ~ DEC?
500
The scale factor for the lengths of two similar rectangles is 2. If the area of the first rectangle is 8 cm2, what is the area of the new rectangle?
What is 32 cm2?
500
The distance between Seattle and Boston is 3,043 miles. The distance on a map in Mr. Newman's house is 17 inches. This is the scale.
What is 1 inch:179 miles?
500
If a line parallel to a side of a triangle intersects the other two sides, then it divides those sides proportionally.
What is Triangle proportionality theorem?