Exploring Area and Perimeter in Similar Figures
Interactive Video
•
Ethan Morris
•
Mathematics
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6th - 8th Grade
•
Hard
12:48
10 questions
Show answers
1.
Multiple Choice
What defines similar figures in geometry?
Figures with proportional sides and equal angles
Figures with the same area
Figures with the same perimeter
Figures with the same color
2.
Multiple Choice
How do you calculate the perimeter of a larger similar figure when you know the perimeter of a smaller one?
Divide by the ratio of their sides
Multiply by the ratio of their sides
Subtract the ratio from the original perimeter
Add the ratio to the original perimeter
3.
Multiple Choice
What is the perimeter of a larger triangle if the smaller one has a perimeter of 5 yards and the side length ratio is 1:5?
20 yards
15 yards
10 yards
25 yards
4.
Multiple Choice
In similar figures, if the side length ratio is 4:9, what is the area ratio?
16:81
2:3
4:9
8:18
5.
Multiple Choice
How do you find the area of a similar figure when you know the area of another?
Divide the known area by the side length ratio
Subtract the side length ratio from the known area
Multiply the known area by the square of the side length ratio
Add the side length ratio to the known area
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