Dilation Adventures: Solving Geometry Challenges
Authored by Anthony Clark
English, Mathematics
8th Grade
CCSS covered
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rectangle has a length of 4 cm and a width of 2 cm. If the rectangle is dilated by a scale factor of 3, what will be the new dimensions of the rectangle?
Length: 12 cm, Width: 6 cm
Length: 15 cm, Width: 7 cm
Length: 8 cm, Width: 4 cm
Length: 10 cm, Width: 5 cm
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle has vertices at (1, 2), (3, 4), and (5, 2). If the triangle is dilated by a scale factor of 2 from the origin, what are the coordinates of the new vertices?
(2, 2)
(4, 6)
(8, 2)
[(2, 4), (6, 8), (10, 4)]
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A square has a side length of 5 m. If it is dilated by a scale factor of 0.5, what will be the area of the new square?
2.5 m²
6.25 m²
12.5 m²
10 m²
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A circular garden has a radius of 6 feet. If the garden is dilated by a scale factor of 1.5, what will be the new radius?
10 feet
7 feet
8 feet
9 feet
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A triangle with vertices at (2, 3), (4, 5), and (2, 7) is dilated by a scale factor of 4. What are the coordinates of the new vertices?
(10, 15), (20, 25), (10, 30)
(4, 6), (8, 10), (4, 14)
(6, 9), (12, 14), (6, 28)
The new vertices are (8, 12), (16, 20), and (8, 28).
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A rectangular pool measures 10 m by 5 m. If the pool is dilated by a scale factor of 2, what will be the perimeter of the new pool?
60 m
70 m
50 m
40 m
Tags
CCSS.8.G.A.3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A pentagon has sides measuring 3 cm each. If the pentagon is dilated by a scale factor of 2, what will be the total length of the sides of the new pentagon?
30 cm
15 cm
20 cm
25 cm
Tags
CCSS.8.G.A.3
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