hyperkid
hyperkid hyperkid
  • 22-02-2015
  • Mathematics
contestada

calculate the area of a circle with the radius of 2cm (1dp)

Respuesta :

crisforp
crisforp crisforp
  • 22-02-2015
The are of a circle is π * r^2 = 4π ≈ 12.56 ;
Answer Link
Sara63
Sara63 Sara63
  • 22-02-2015

area= pi x r^2

r^2= 2x2=4

area= pi x 4

area=12.5663706144

=12.6 (1 decimal place)

Answer Link

Otras preguntas

For -er verbs such as manger, add -é to make the past participle. True or false?
5. What was Nelson Mandela's childhood like.
I need to know the answer
Tinh can row at a rate of 6 mph in still water. It takes her 2 hours to row upstream from a dock to a park. She then rows back to the dock, and it only takes 40
Which best describes the internal conflict in Odysseus?
A pharmaceutical company asks 30 patients with acne to volunteer for an experiment in which they will receive treatment with either a special medical lotion or
It is most likely that Katie’s coach made Katie lie down to rest and drink lots of cool water because:
All my _______________ (relatives) were at the airport when I arrived in Chile.
One 10.0 amp resistor is wired in a series with two 10.0 amp resistors in parallel. A 45.0 C battery supplies power to the circuit. What is the total current th
how can you make editing an essay easier?