Given that x/y = 3/5 determine which proportion is NOT equivalent.
5 points
5
Question 2
2.
Determine the similarity ratio given STUV~XYZW, TS=21, XY=35, WZ=20
5 points
5
Question 3
3.
The area of a rectangle is 1500. The ratio of the length to width is 3:5. What is the length?
2 points
2
Question 4
4.
What is the image of (3, 4) dilated about the origin with a scale factor of 2.
2 points
2
Question 5
5.
What is the rule for a dilation about the origin with scale factor 1/3.
5 points
5
Question 6
6.
True/False: All parallelograms are similar.
5 points
5
Question 7
7.
True/False: All isosceles triangles are similar.
10 points
10
Question 8
8.
Always/Sometimes/Never: Equilateral triangles are _____________________ similar.
10 points
10
Question 9
9.
Ms. Matta is reading a map with a scale of 1 inch = 40 miles. She measures about
3.1 inches between Greenville and Yorktown. What is the actual distance between
the cities?
10 points
10
Question 10
10.
On a sunny day, a 12 in umbrella casts a shadow that is 2.4 ft long. A nearby
tree casts a shadow that is 40 ft long. How tall is the tree?
10 points
10
Question 11
11.
Solve for x.
10 points
10
Question 12
12.
Dilate (3,4) about the point (-3,1) with a scale factor of 2. What is the image of A?
10 points
10
Question 13
13.
The altitude, XR , to the hypotenuse of right ∆WXY divides the hypotenuse into
segments that are 12 and 10 cm long. Find the length of the altitude.
1 point
1
Question 14
14.
Which of the following is NOT a way to prove triangles are similar.
1 point
1
Question 15
15.
If the scale factor of a certain dilation is 5/4, then the dilation was a _________________.