This is true about the corresponding sides of similar figures.
They are proportional.
100
At the same time that a 60-foot tall building casts a shadow that is 24 feet long, a nearby tree casts a
shadow that is 18 feet long. Which measure is closest to the height of the tree?
45 feet tall
100
Helen walks to school 3.2 kilometers every morning. If a map of Alexandria uses a scale where 1 in represents 2 km, what distance on the map will represent the distance she walks to school every morning?
1.6 inches
100
Point A (–3,–1) is reflected over the x-axis. Find A'.
A' (–3, 1).
100
The horizontal axis is called this.
The x – axis.
200
Similar Figures are both the same size and the same shape. True or not true?
What is not true.
200
Jordan is making a scale model of his favorite car. The actual car is 8 feet long and 4 feet wide. If Jordan wants his model to be 12 inches in length, what will be the width of his model?
6 inches
200
James wants to visit a friend in Roseville and has checked a map with a scale of 1/2 inch = 3 miles. If James measures the distance on the map from his house to his friend's house as 3 and 1/8 inches, how many miles away is his friends house?
18.75 miles
200
Point J' (5,8) was reflected over the y-axis. Find J.
J (–5,8)
200
The vertical axis is called this.
The y – axis.
300
∆ABC has legs of 10 inches and a base of 4 inches. ∆DOB has legs of 14 inches and a base of 8 inches.
Is ∆ABC ≈ ∆DOB?
No, the ratios do not form a proportion.
300
A tree casts a shadow 9 meters long. At the same time, a building 54 meters tall casts a shadow 21 meters long. To the nearest meter, what is the height of the tree?
23 meters
300
On a map, the distance between Ham Lake and Coon Rapids is 1.25 inches. If the map uses a scale of 1/4 inch represents 1 mile, what is the actual distance in miles from Ham Lake to Coon Rapids?
5 miles
300
Point M (4,-6) is translated using the rule (x – 1, y +2). Find M'.
M' (3,–4).
300
The intersection of the x and y axis is called this.
The origin.
400
∆NMS has a height 35 inches and a base of 7 inches. ∆RMS has height of 25 inches and a base of 5inches.
Is ∆NMS ≈ ∆RMS?
Yes, the ratios form a proportion.
400
Two trapezoids are similar figures. The height of the larger trapezoid is 8.2 cm and the base 1 is 6.5 cm. The height of the smaller trapezoid is 4.1 cm, what is the length of the corresponding base 1?
3.25 cm
400
Diego is building a 1:35 scale model of a spaceship. If the height of his model is 18 inches, what is the height of the real spaceship?
630 inches
400
Point K' (0,1) was translated using the rule (x + 3, y – 4). Find K.
K (–3, 5)
500
Similar triangles always have congruent angles. True or not true?
True.
500
A 20 foot flagpole casts a shadow that is 45 feet long. A man standing next to the flagpole casts a 13.5 foot shadow. How tall is the man?
6 feet tall.
500
John would like to take a trip to escape the cold weather. He knows the distance between Alexandria, VA and Orlando, Florida is 840 miles. The distance between the two cities on the map he is using is 10.5 inches. What is the scale of the map he is using?
1in : 80 miles
500
Write an algebraic rule for the translation left 5, up 9.
(x – 5, y + 9)
500
Describe how to graph (6, – 4) starting from (0,0).