
Understanding 45-45-90 Triangle Rules
Interactive Video
•
Mathematics
•
8th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Amelia Wright
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary rule for finding the hypotenuse in a 45-45-90 triangle?
Divide the leg by 2
Add the legs together
Multiply the leg by the square root of 2
Multiply the leg by 3
Tags
CCSS.8.G.B.8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of the 45-45-90 triangle in SAT problems?
It simplifies complex calculations
It is used to calculate areas
It is not relevant
It is a common type of problem
Tags
CCSS.8.G.B.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a 45-45-90 triangle, if one leg is 5√2, what is the length of the hypotenuse?
5√2
10√2
10
5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying two square roots of 2 together?
2
4
√2
√4
Tags
CCSS.8.G.B.8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When given the hypotenuse of a 45-45-90 triangle, what operation is used to find the leg?
Subtract the square root of 2
Divide by the square root of 2
Multiply by the square root of 2
Add the square root of 2
Tags
CCSS.8.G.B.8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the hypotenuse of a 45-45-90 triangle is 20, what is the length of each leg?
10
20
10√2
20√2
Tags
CCSS.HSG.CO.C.10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the diagonal of a square relate to a 45-45-90 triangle?
It is half the length of a leg
It is twice the length of a leg
It is the hypotenuse of the triangle
It is equal to one of the legs
Tags
CCSS.8.G.B.8
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