Exploring the Properties of Circles

What is the main topic of today's review session?

• Volume of a cylinder

• Area and circumference of a circle

• Perimeter of a square

• Surface area of a cube

Tags

CCSS.HSG.C.A.2

Which part of a circle is the line that goes from one side to the other while passing through the center?

• Chord

• Radius

• Circumference

• Diameter

Tags

CCSS.7.G.B.4

What is the formula for the area of a circle?

• d^2 / 4

• pi * d

• pi * r^2

• 2 * pi * r

Tags

CCSS.7.G.B.4

If the radius of a circle is 16 feet, what is its diameter?

• 8 feet

• 16 feet

• 32 feet

• 64 feet

Tags

CCSS.7.G.B.4

Given a radius of 16 feet, what is the circumference of the circle? (Use pi = 3.14)

• 25.12 feet

• 50.24 feet

• 100.48 feet

• 200.96 feet

Tags

CCSS.7.G.B.4

What is the first step in solving for the circumference of a circle?

• Divide the diameter by 2

• Use the formula pi * d

• Square the radius

• Multiply the radius by 2

Tags

CCSS.7.G.B.4

If the diameter of a circle is 11 inches, what is its radius?

• 2.75 inches

• 5.5 inches

• 22 inches

• 11 inches

Tags

CCSS.7.G.B.4

Given a diameter of 11 inches, what is the area of the circle? (Use pi = 3.14)

• 50 square inches

• 100 square inches

• 95 square inches

• 94.985 square inches

Tags

CCSS.7.G.B.4

What should you do if you are given the diameter but need the radius to find the area?

• Add pi to the diameter

• Square the diameter

• Multiply the diameter by 2

• Divide the diameter by 2

Tags

CCSS.7.G.B.4

What is the final step after solving a problem on the quizzes?

• Submit the quiz

• Show your work and attach it

• Check your answers

• Ask the teacher for help