Review 2nd Semester #13-17

What is/are the formula(s) to find the circumference of a circle?  cual es/son las formulas para encontrar la circumferencia de un circulo? 

• 3π6
• 4π
• 2πr     πd

Tags

CCSS.7.G.B.4

Does this picture show the diameter or radius of a circle?   La siguente imagen muestra el diametro o el radio de un circulo? 

• Diameter
• Radius

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Tags

CCSS.HSG.CO.A.1

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Tags

CCSS.7.G.B.4

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π square units
• 10 π square units
• 25 π square units
• 50 π square units

Tags

CCSS.7.G.B.4

What is the formula to find the area of a circle?

• π x Radius²
• 2 x π x Radius
• Diameter x π
• 2 x Diameter

Tags

CCSS.7.G.B.4

• 36π in²

• 100π in²

• 121π in²

• 81π in²

Find area

• 81π km²

• 100π km²

• 64π km²

• 121π km²

Solve for the missing angle.

• 45^o

• 90^o

• 22.5^o

• 128^o

• A

• B

• C

• D