Math 6/7 Unit 6 Learning Check: Area of Circles

Front

What is the formula for the area of a circle?

Back

Front

What is the value of π (pi) used in calculations?

Back

In calculations, π (pi) is often approximated as 3.14.

Front

How do you find the radius of a circle if you know the diameter?

Back

Front

What is the area of a semi-circle?

Back

Front

If the radius of a circle is 3 cm, what is its area using π = 3.14?

Back

Front

What does 'congruent' mean in geometry?

Back

Congruent means that two shapes are identical in shape and size.

Front

How do you calculate the area of a circle with a radius of 5 cm?

Back

Front

What is the area of a circle with a diameter of 10 inches?

Back

Front

What is the total area covered by a windmill blade if the radius is 4 m?

Back

Front

If a circular mirror has a diameter of 12 inches, what is its area?

Back