Circle arcs Quiz 1

Question 1

Circumference of a circle can also be interpreted as?

Accepted Answer

perimeter of circle

Answer

area of circle

Answer

diameter of circle

Answer

radii of circle

Question 2

How do we calculate the length of an arc if the angle is given in degrees?

Accepted Answer

$$\dfrac{	heta }{{180}} 	imes \pi r$$

Answer

$$\dfrac{	heta }{{180}}$$

Answer

$$\dfrac{	heta }{{360}} 	imes \pi r$$

Answer

$$\dfrac{	heta }{{360}} 	imes \pi {r^2}$$

Question 3

The arc whose measurement is equal to  $$180$$ degrees is also known as?

Accepted Answer

semi circle

Answer

minor arc

Answer

major arc

Answer

circumference

Question 4

Calculate the length of an arc if the radius is $$6cm$$ and the angle is $${60^ \circ }$$

Accepted Answer

$$6.28cm$$

Answer

$$5.25cm$$

Answer

$$4.19cm$$

Answer

$$85.42cm$$

Question 5

Calculate the length of the arc of the function if $$f\left( x \right) = 4$$ and it lies between $$4$$ and $$2$$ of the $$x$$ axis.

Accepted Answer

$$2cm$$

Answer

$$3cm$$

Answer

$$5cm$$

Answer

$$4cm$$