Vocabulary
Topics 1 and 2
Topic 3
Topic 4
Misc.
100
Have the same shape but may be different in size
Similar Polygons
100
Determine whether each pair of figures is similar. Justify your answer. Refer to picture 1.
No, sides aren't proportional
100
Determine whether each pair of triangles is similar. Justify your answer. Refer to picture 5.
Yes, SSS
100
Find x. Refer to picture 14.
x=4
100
Determine whether QT is parallel to RS. Justify your answer. Refer to picture 17. PR=30, PQ=9, PT=12, PS=18
No
200
A transformation that may change the size of the figure
Dilation
200
Determine whether each pair of figures is similar. Justify your answer. Refer to picture 2.
Yes, angles are congruent and sides are proportional. SSS, SAS, and AA are also acceptable if work is shown.
200
Determine whether each pair of triangles is similar. Justify your answer. Refer to picture 6.
Yes, AA
200
Find x. Refer to picture 13.
x=15
200
Find x. Refer to picture 16.
x=16
300
A segment whose endpoints are the midpoints of two sides of a triangle
Midsegment
300
Each pair of polygons is similar. Find x and y. Refer to picture 3.
x=30 y=70
300
Determine whether each pair of triangles is similar. Justify your answer. Refer to picture 7.
Yes, AA
300
Find the perimeter of Triangle BCD. Refer to picture 12.
P=25.5
300
Find x. Refer to pictur 15.
x=6.75
400
To split a segment by a given ratio
Partition
400
Each pair of polygons is similar. Find x and y. Refer to picture 4.
x=27 y=14
400
The triangles are similar. Find x and the measure of the indicated sides. Refer to picture 8. AB and BC
x=7 AB=10 BC=6
400
Find x and y. Refer to picture 11.
x=2 y=3/4
400
Determine whether QT is parallel to RS. Justify your answer. Refer to picture 17. TS=8.6, PS=12.9, PQ is half of RQ
Yes
500
A numerical ratio comparing the lengths of corresponding sides of similar figures
Scale Factor
500
Find the coordinate of point P that lies along the directed line segment from A(3,4) to B(6,10) and partitions the segment in the ratio of 3 to 2.
P(4.8, 7.6)
500
The triangles are similar. Find x and the measure of the indicated sides. Refer to picture 9. AB and AC
x=8/5 AB= 3 3/5 AC=9 3/5
500
Find x and y. Refer to picture 10.
x=21 y=15
500
Find the perimeter of Triangle CBH, when triangles CBH and FEH are similar. CH=7, FH=10, FE=11, and EH=6 Refer to picture 18
P=18.9
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