Geometry - Chapter 7 Test Review
yes, AA (vertical angles create the second pair of congruent corresponding angles)
Are these triangles similar? If so, why?
AA
What shortcut shows that these triangles similar?
27
A salsa recipe uses green pepper, onion, and tomato in the extended ratio 1:3:9. How many cups of onion are needed to make 117 cups of salsa?
No
Are these triangles similar? If so, why?
Yes, SSS
Are these triangles similar? If so, why?
Yes, SSS and AA
Are these triangles similar? If so, why?
125
Red and gray bricks were used to build a decorative wall. The number of red bricks to number of gray bricks was 5/2. There were 175 bricks used in all. How many red bricks were used?
x = 1.33
Solve for x.
x = 10.2
Solve for x.
x = 13
Solve for x.
x = 14
Solve for x.
3
The bases of the 2 triangles are parallel. Find the length of x.
21.6
The bases of the 2 triangles are parallel. Find the length of y.
24.5
The polygons are similar. Find x.
7
The polygons are similar. Find x.
9
The polygons are similar. Find x.
6.67
The triangles are similar. Find z.
8/4 = 24/12
The two rectangles are similar. Which is the correct proportion for corresponding sides? (Small Rectangle) 4m and 12m (Large Rectangle) 8m and 24m
18
These triangles are similar. Find x.
2.7
These triangles are similar. What is the length of the missing side?
4.5
These triangles are similar. What is the length of the missing side?
6
These triangles are similar. What is the length of the missing side?
7.2
These triangles are similar. What is the length of the missing side?
SSS
What shortcut shows that these triangles similar?
A, B, and C
Which triangles are similar here?
SSS-similarity
if three sides of one triangle are proportional to three corresponding sides of another triangle, then the triangles are similar
AA-similarity
if two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar
SAS-similarity
if two sides of one triangle are proportional to two sides of another triangle and their included angles are congruent, then the triangles are similar