Geometry: Chapter 9 Pre Test

What is a right triangle?

• A triangle where all sides equal 90 degrees

• A triangle where every angle is 90 degrees

• A triangle where all three sides are equal

• A triangle where there is a 90 degree angle

Tags

CCSS.4.G.A.2

What letter represents the hypotenuse?

• a

• b

• a and b

• c

Which choice represents the legs?

• a and b

• a

• b

• c

The Pythagorean Theorem is _________

• a + b = c

• a² + b² = c²

• a² + b² + c²

• A = LW

Tags

CCSS.8.G.B.8

Which equation can be used to solve for "x"?

• 15² – x² = 21²

• x² – 15² = 21²

• 15² + 21² = x²

• 21² – 15² = x²

Tags

CCSS.8.G.B.7

Determine the length of the missing side.

• 7

• 8

• 17

• 23

Tags

CCSS.8.G.B.7

Find the missing angle. 

• 151
• 147
• 118
• 62

Tags

CCSS.8.G.A.5

Classify by angle.

• Obtuse
• Right
• Acute

Tags

CCSS.4.G.A.1

Classify by side.

• Isosceles
• Scalene
• Equilateral

Tags

CCSS.4.G.A.2

Solve for x.

• 16
• 11
• 50
• 6

Tags

CCSS.8.G.A.5