Circle area

Calculate the circle area with a radius of 1.2 m.

Result

S =  4.524 m2

Solution:

r=1.2 m  S=π r2=3.1416 1.224.5239=4.524 m2r = 1.2 \ m \ \\ \ \\ S = \pi \cdot \ r^2 = 3.1416 \cdot \ 1.2^2 \doteq 4.5239 = 4.524 \ m^2



Our examples were largely sent or created by pupils and students themselves. Therefore, we would be pleased if you could send us any errors you found, spelling mistakes, or rephasing the example. Thank you!





Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):

Showing 0 comments:
1st comment
Be the first to comment!
avatar




Following knowledge from mathematics are needed to solve this word math problem:

Next similar math problems:

  1. 22/7 circle
    red_circle Calculate approximately area of a circle with radius 20 cm. When calculating π use 22/7.
  2. Cable
    wire Cable consists of 8 strands, each strand consists of 12 wires with diameter d = 0.5 mm. Calculate the cross-section of the cable.
  3. Annulus
    medzikruzie_1 The radius of the larger circle is 8cm, the radius of smaller is 5cm. Calculate the contents of the annulus.
  4. Circle - easy 2
    circle_3 The circle has a radius 6 cm. Calculate:
  5. Sidewalk
    kruhovy-objazd The city park is a circular bed of flowers with a diameter of 8 meters, around it the whole length is 1 meter wide sidewalk . What is the sidewalk area?
  6. Diameter to area
    circle_eq_1 Find the area of a circle whose diameter is 26cm.
  7. Two circles
    two_circles Two circles with a radius 4 cm and 3 cm have a center distance 0.5cm. How many common points have these circles?
  8. Bicycle wheel
    cyklo2_2 After driving 157 m bicycle wheel rotates 100 times. What is the radius of the wheel in cm?
  9. Circle
    circle_1 What is the radius of the circle whose perimeter is 6 cm?
  10. Clock hands
    clocks2_16 The second hand has a length of 1.5 cm. How long does the endpoint of this hand travel in one day?
  11. Circle - simple
    kruh The circumference of a circle is 930 mm. How long in mm is its diameter?
  12. Coal mine
    koleso The towing wheel has a diameter of 1.7 meters. How many meters does the elevator cage lower when the wheel turns 32 times?
  13. Find x
    eq222_23 Solve: if 2(x-1)=14, then x= (solve an equation with one unknown)
  14. Withdrawal
    penize_13 If I withdrew 2/5 of my total savings and spent 7/10 of that amount. What fraction do I have in left in my savings?
  15. Simple equation
    eq_1 Solve the following simple equation: 2. (4x + 3) = 2-5. (1-x)
  16. Negative in equation
    eq1_7 2x + 3 + 7x = – 24, what is the value of x?
  17. Round it
    rounding 0.728 round to units, tenths, hundredths.