EPM5-Unit 6-Lesson 3: A circle, its area and circumference

What shape is it?

• It's a circle.

• It's a square.

• It's a rectangle.

• It's an oval.

It's the ..........

• radius

• diameter

• circumference

• area

It's the ..........

• radius

• diameter

• circumference

• area

It's the ..........

• radius

• diameter

• circumference

• area

The circumference of a circle is:

..................

• 3.14 x r x r

• 2 x 3.14 x r

The area of a circle is:

..................

• 3.14 x r x r

• 2 x 3.14 x r

The diameter of a circle is 12 cm. What is the radius of the circle?

• 3 cm

• 4 cm

• 6 cm

• 10 cm

What do we use to draw a circle?

• a ruler

• a compass

• a rubber

• a set square

The radius of a circle is 4 cm. Find the circumference of the circle.

• 25.12 cm

• 12.56 cm

• 50.24 cm

• 8 cm

The radius of a circle is 3 cm. Find the area of the circle.

• 28.26 cm²

• 9.42 cm²

• 18.84 cm²

• 9 cm²