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