Pythagorean Theorem, Special Triangles, and Three Triangles

What type of special triangle is this?

• 45°-45°-90°

• 30°-60°-90°

• Isosceles

• Obtuse

If the length of the hypotenuse in this triangle is 16, find the length of one leg.

• 8

• 32

If the length of the hypotenuse in this triangle is 7, find the length of the long side.

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Find the lengths of the missing sides.

Considering the lengths of the sides of the triangle, what measure will < A have to be?

• 30

• 45

• 60

• 90

Which equation can be used to solve the word problem: the diagonal of a t.v. is 40 inches and the height is 30. How wide is the t.v.?

• 30²  + 40² = c²

• a²  + 40² = 30²

• 30²  + b² = 40²

• 40²  + 30² = c²

A 40 ft ladder is leaning against a house. The angle formed between the ladder and ground is 60 degrees. How many ft away from the house is the bottom of the ladder?

• 40

• 20

• 20√3

• 40√2

What is the exact side length of a square that has a diagonal of 18?

• 9

• 18√2

• 9√2

• √2

solve for x

• 5552363959656.

• 10

• 100

• 89

solve for the value of y

• 13

• 5

• 23

• 10