Measurement of Triangles

A triangle has angle measurements of 26°, 59°, and 95°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

Look at the sides and angles of this triangle. Which type of triangle is pictured?

• Equilateral Triangle

• Right Isosceles Triangle

• Obtuse Scalene Triangle

• Obtuse Equilateral Triangle

If a triangle has one angle greater than 90° and no equal sides, what type of triangle is it?

• Acute Isosceles

• Acute Scalene

• Obtuse Scalene

• Obtuse Isosceles

Classify this triangle based on the length of its sides.

• Isosceles

• Equilateral

• Scalene

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

What is the scale factor from ΔABC to ΔDEF?

• 1/2

• 7/3

• 2

• 10/3

What is the scale factor from ΔABC to ΔHGF?

• 1/9=.111

• 1/6=.167

• 1/4=.25

• 6

If the two triangles are similar, what is the measurement of x?

• 2 ft

• 3 ft

• 4 ft

• 6 ft

If the two triangles are similar, what is the measurement of x?

• 3

• 1.5

• 8

• 2/3=0.667

The two given triangles are similar, what is the value of the missing side?

• 5

• 7

• 9

• 11