Special Triangle 45-45-90

What is the measure of side b?

• 5

• 10√2

• 5√2

• 10√3

Find the value of y to the nearest tenth.

• 4.5

• 3.2

• 2.3

• 5

What is the formula used to solve for the hypotenuse?

• a²⁺b²=c²

• a+b=c

• a-b=c

• c-a=c

Find a.

• 2√6

• 2√3

• 3

• 6

What type of triangle is a 45º-45º-90º triangle?

• Isosceles Right

• Scalene

• Equilateral

• Acute

How are the legs of a 45º-45º-90º triangle related?

• They are perpendicular

• One is twice the other

• They are congruent

• They are not related

What is the relationship between the sides of 45º-45º-90º similar triangles?

• They are proportional

• They are parallel

• They form a linear pair

• They are equal in length

How can you find the hypotenuse of a 45º-45º-90º triangle if you know the length of one of its sides?

• Multiply the side by √2

• Multiply the side by 2

• Square the side

• Divide the side by 2

If the hypotenuse of a 45°-45°-90° triangle measures 12 units, what is the length of one of the sides?

• −144 units

• 6 units

• 8 units

• 12 units

What is a distinctive feature of an isosceles right triangle?

• All sides are equal

• Two congruent sides

• Two acute angles

• One 90º angle