Chapter 8 Right Triangles Test

Solve for x.

Round to the nearest tenth.

• 9.8

• 0.1

• 0.038

• 9.9

Find the length of the missing side. 

• 17 cm

• 22 cm

• 15 cm

• 13 cm

Classify a triangle with side lengths 12, 14, and 20.

• Acute

• Obtuse

• Right

• Isosceles

Classify a triangle with side lengths 20, 25, and 15.

• Acute

• Right

• Obtuse

• Equilateral

What type of triangle is this?

• right

• scalene

• equilateral

• isosceles

Susan is flying a kite, which gets caught in the top of a tree. Use the diagram to estimate the height of the tree. Round to the nearest tenth.

The Pythagorean Theorem ONLY works on which type of triangle?

• obtuse

• scalene

• isosceles

• right

In this 45-45-90 triangle, I have been given the length of a leg.  How do I find the length of the hypotenuse?

• It is the same length as the given leg.

• Multiply that leg's length by √2.

• Multiply that leg's length by 2.

• Divide that leg's length by √2.

Which side is the long leg in this 30-60-90 triangle?

• 4

• u

• v

Which side is the short leg of this 30-60-90 triangle?

• 6

• m

• n