Pythagorean Theorem (Grade 8)

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Pythagorean Theorem

Instructions: Find the length of the missing side.

1. 
If AB = 8 and AC = 4, then what is the length of BC?
Right Triangle ABC v1



 
2. 
If AC = 8 and BC = 6, then what is the length of AB?
Right Triangle ABC v3



3. 
If AB = 5 and BC = 10, then what is the length of AC?
Right Triangle ABC v2



 
4. 
If AB = 26 and BC = 10, then what is the length of AC?
Right Triangle ABC v3



5. 
If side AB = 8, and side AC = 15 what is the measure of side BC?
Right Triangle ABC v2



 
6. 
If AB = 7 and BC = 12, then what is the length of AC?
Right Triangle ABC v2



7. 
If square ABCD has a side length of 6 cm, what is the length of a diagonal?
Square ABCD



 
8. 
If square ABCD has a perimeter of 20, what is the length of its diagonal?
Square ABCD



9. 
ABCD is a rectangle. Side AB = 6 m and Side BC = 8 m. What is the length of diagonal AC?
Rectangle ABCD



 
10. 
The perimeter of equilateral triangle ABC is 42. What is the height of the triangle?
Equilateral Triangle Height v1



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