A chord in a circle is a straight line that connects $2$ any points that are on the circle.

• The chord passes inside the circle and not over it.

• The longest chord in the circle is the diameter

• The radius is not a chord.

A chord in a circle is a straight line that connects $2$ any points that are on the circle.

• The chord passes inside the circle and not over it.

• The longest chord in the circle is the diameter

• The radius is not a chord.

Question 1

In which of the circles is the segment drawn the radius?

Question 2

In which of the circles is the point marked in the circle and not on the circumference?

Question 3

Calculate the length of the arc marked in red given that the circumference is 12.

Question 4

Calculate the length of the arc marked in red given that the circumference is 12.

Question 5

Calculate the length of the arc marked in red given that the circumference is 6.

In which of the circles is the segment drawn the radius?

In which of the circles is the point marked in the circle and not on the circumference?

Calculate the length of the arc marked in red given that the circumference is 12.

8

Calculate the length of the arc marked in red given that the circumference is 12.

2

Calculate the length of the arc marked in red given that the circumference is 6.

$\frac{5}{6}$

Question 1

Calculate the area of the section painted red given that the area of the circle is 12.

Question 2

Calculate the length of the arc marked in red given that the circumference is 36.

Question 3

How many times longer is the radius of the red circle than the radius of the blue circle?

Question 4

How many times longer is the radius of the red circle, which has a diameter of 24, than the radius of the blue circle, which has a diameter of 12?

Question 5

How many times longer is the radius of the red circle than the radius of the blue circle?

Calculate the area of the section painted red given that the area of the circle is 12.

8

Calculate the length of the arc marked in red given that the circumference is 36.

2

How many times longer is the radius of the red circle than the radius of the blue circle?

5

How many times longer is the radius of the red circle, which has a diameter of 24, than the radius of the blue circle, which has a diameter of 12?

2

How many times longer is the radius of the red circle than the radius of the blue circle?

$2$

Question 1

Calculate the length of the arc marked in red given that the circumference is equal to 24.

Question 2

Calculate the length of the arc marked in red given that the circumference is 18.

Question 3

How many times longer is the radius of the red circle (14 cm) than the radius of the blue circle, which has a diameter of 7?

Question 4

How many times longer is the radius of the red circle than the radius of the blue circle?

Question 5

Calculate the area of the section shaded in red given that the area of the circle is 36.

Calculate the length of the arc marked in red given that the circumference is equal to 24.

$10$

Calculate the length of the arc marked in red given that the circumference is 18.

13

How many times longer is the radius of the red circle (14 cm) than the radius of the blue circle, which has a diameter of 7?

4

How many times longer is the radius of the red circle than the radius of the blue circle?

$2\frac{1}{2}$

Calculate the area of the section shaded in red given that the area of the circle is 36.

$2$