Word Probs
Similar or Not
Find the Scale Factor
Scale
Random
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 shapes?

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

This can represent something that is too large or too small to draw or create its actual size.

What is a scale drawing or model?

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

This occurs after applying a A scale factor > 1.

What is larger or bigger?

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 original rectangle has dimensions 6 by 8. The second rectangle 32 by 24.
What is yes --> 6/24 = 8/32?
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 surveyor wants to determine the width of a lake at two points on opposite sides of the lake. She measures distances and angles on land, then sketches this diagram. How can the surveyor determine the length HN to the nearest metre?

What is 564m?

400

This occurs by applying a scale factor <1.

What is smaller?

500
Mr. Newman is creating a new brand of smart phone which 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
Triangle 1 has side lengths 6, 10, 14 and Triangle 2 has side lengths 20, 50, 70.
What is NO -> 6/20 reduces to 3/10 and 10/50 is equivalent to 2/10 (not 3/10)?
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

Phillipe places a mirror M on the ground 6.0 m from a tree. When he is 1.7 m from the mirror, he can see the top of the tree in the mirror. His eyes are 1.5 m above the ground. The diagram below shows the equal angles. How can you use similar triangles to determine the height of the tree to the nearest tenth of a metre?

What is 5.3 m?

500

True or False: A square and a rectangle with congruent angles and proportional sides are similar.

What is False?