Dilation in Geometry: Transforming Shapes and Sizes

Quiz
•
English, Mathematics
•
8th Grade
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle has vertices at A(2, 3), B(4, 5), and C(6, 1). If the triangle is dilated by a scale factor of 2, what are the coordinates of the new triangle A', B', and C'?
A'(5, 8), B'(10, 12), C'(14, 4)
A'(3, 5), B'(6, 7), C'(9, 3)
A'(4, 6), B'(8, 10), C'(12, 2)
A'(2, 3), B'(4, 5), C'(6, 1)
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rectangle has a length of 8 cm and a width of 4 cm. If the rectangle is dilated by a scale factor of 1.5, what will be the new dimensions of the rectangle?
Length: 14 cm, Width: 7 cm
Length: 12 cm, Width: 6 cm
Length: 10 cm, Width: 5 cm
Length: 8 cm, Width: 4 cm
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Two similar triangles have a ratio of 3:5. If the smaller triangle has a side length of 9 cm, what is the corresponding side length of the larger triangle?
18 cm
20 cm
15 cm
12 cm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A square has a side length of 10 m. If it is dilated by a scale factor of 0.5, what will be the area of the new square?
10 m²
25 m²
100 m²
50 m²
Tags
CCSS.7.G.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circle has a radius of 6 inches. If the circle is dilated by a scale factor of 3, what will be the new radius?
24 inches
12 inches
30 inches
18 inches
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A model of a building is 1:100 scale. If the height of the model is 2 m, what is the actual height of the building?
75 m
50 m
150 m
200 m
Tags
CCSS.7.G.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle is dilated from a scale factor of 4. If one side of the original triangle is 5 cm, what is the length of the corresponding side in the dilated triangle?
10 cm
20 cm
25 cm
15 cm
Tags
CCSS.8.G.A.3
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