Ratios/Proportions
Similar Polygons
Triangle Similarity
Proportions in Triangles
Dilations
100
The height of a car is 4ft. 8in. The height of a toy car is 3 in. Write a ratio of the first measurement to the second measurement.
What is 56:3
100
Corresponding sides of similar figures must be __________.
What is proportional
100
The triangles in picture 4 on the board are similar by this theorem.
What is SAS~
100
Complete the following proportion based on picture 7: ____/IJ=BC/HI
What is CD
100
A dilation with a scale factor greater than 1.
What is an enlargement
200
The measures of the angles of a triangle have the ratio 6:1:5. The value of the largest angle is ________.
What is 90
200
ABCD~EFGH. Name the pairs of corresponding angles.
What is
200
The geometric mean of 4.2 and 10
What is sqrt(42)
200
Complete the following proportion based on picture 7: JG/____=GD/AD
What is AJ
200
The dilation in picture 10.
What is a reduction
300
The value of x in the following proportion: 3/5=x/25.
What is x=15
300
The value of x in picture 1 on the board.
What is 6
300
Name the similarity statement for picture 5.
What is ABC~OPN
300
Find the value of x in picture 9.
What is 7.2
300
The scale factor of the dilation in picture 11.
What is 3/4.
400
The value of x in the following proportion: (x-2)/8=3/4
What is x=8
400
The value of x in picture 2 on the board.
What is 5
400
Name the similarity statement for picture 6.
What is QRT~SQT~SRQ
400
Find the value of x in picture 8.
What is 3
400
A dilation with center (0,0) of the point (0, -5) and scale 2/5.
What is (0, -2)
500
The value of x in the following proportion: 6/(d+5)=3/(d+1)
What is x=3
500
The figures in picture 3 are similar by this ratio.
What is 3:2
500
The altitude of the hypotenuse of a right triangle divides the hypotenuse into segments of lengths 14 and 8. Find the length of the altitude.
What is sqrt(112)
500
Find the value of x in picture 12.
What is 7
500
A dilation with center (0, 0) of the point (1/2, -3) and scale 4.
What is (2, -12)
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