Test:
Circles I - Ambitious
×
Double click on maths expressions to zoom
Question 1:
Calculate the area of a circle if its circumference is
$113.1cm$
A
$468.2c{m}^{2}$
B
$1017.9c{m}^{2}$
C
$706.9c{m}^{2}$
D
$355.3c{m}^{2}$
Question 2:
Calculate the radius of a circle if its area is
$78.54cm{}^{2}$
A
$4cm$
B
$6cm$
C
$7cm$
D
$5cm$
Question 3:
Find the area of a sector:
A
$453.96c{m}^{2}$
B
$187.61c{m}^{2}$
C
$302.64c{m}^{2}$
D
$907.92c{m}^{2}$
Question 4:
Calculate the angle
$\alpha $
if the sector area is
$32.72c{m}^{2}$
A
${140}^{\circ}$
B
${125}^{\circ}$
C
${150}^{\circ}$
D
${170}^{\circ}$
Question 5:
Calculate the area of a circle:
A
$100.5c{m}^{2}$
B
$226.2c{m}^{2}$
C
$50.3c{m}^{2}$
D
$143.4c{m}^{2}$
Please note, you have solved only half of the test. For the complete test get a Must Have account.
Get started
Prev Page
Next Page
Submit
Click here to resume the test
Saving test