Bobsterhaydie
Bobsterhaydie Bobsterhaydie
  • 20-05-2021
  • Mathematics
contestada


Find the area of a circle with radius,
r
= 40cm.
Give your answer rounded to 3 SF

Respuesta :

kirabowen15
kirabowen15 kirabowen15
  • 20-05-2021
Area of circle = pi x r^2
= 22/7 x 40^2
= 5028.57
= 5030cm^2 (3 SF)
Answer Link

Otras preguntas

Which circles have a circumference of 20pi units? Choose all answers that are correct. a) a circle with a diameter of 40 units; b) a circle with a radius of 10
A cell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent. If t represents the number of text messages Roxy sent last mo
The sphere shown has a diameter of 24 inches. Which choice is closest to its surface area? Use 3.14 to approximate pi.
4. After World War II, Americans shifted to what type of work?
Many people feel that the United States is becoming a(n): welfare state dictatorship autocracy
Why is the inner membrane of mithochondria ruffled?
Lindsay's estimated cost for the first year at a two year college and her assets are shown in the tables below. Lindsay uses her savings to pay for the year aft
If I put a short clip from a copyrighted video to Facebook and make it only viewable to friends, is that illegal?
If RS=3x + 1, ST= 2x - 2, and RT=64 find the value of x
Solve this inequality: 3b – 7 < 32 A. b < 8.33 B. b < 39 C. b < 5 D. b < 13