45-45-90 Triangles

In this 45-45-90 triangle, I have been given a leg, so to find the other leg, I...

• Multiply that leg by 2

• Use the same length for the second leg

• Multiply that leg by √2

• Divide that leg by √2

What is the length of y in this 45-45-90 triangle?

• 4√2

• 4

• 8

• 4√3

What is the length of x in this 45-45-90 triangle?

• 4√2
• 4
• 8
• 4√3

Tags

CCSS.8.G.B.8

In this 45-45-90 triangle, I have been given the length of the hypotenuse.  How would I find the length of the legs?

• multiply the hypotenuse by √2
• divide the hypotenuse by √2
• Divide the hypotenuse by 2
• divide the hypotenuse by √3

Tags

CCSS.8.G.B.8

What is the length of y in this 45-45-90 triangle?

• 8√2
• 4√2
• 4
• 8

What is the length of the legs of this triangle?

• 6
• 6√2
• 12√2
• 4√3

Tags

CCSS.8.G.B.8

Solve for a and b in the special right triangle.

• a = 5, b = 5
• a = 10, b = 10√2
• a = 10√2, b = 10√2
• a = 5√2, b = 5√2

The perimeter of a square is 32 inches, find the length of a diagonal.

• 8

• 8√2

• 4

• 4√2

Find the perimeter of a square if the length of the diagonal is 26 feet.

• 13√2

• 13

• 52√2

• 52