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

Can someone explain to me what is incorrect about my writing? I got a D- and I am confused as to what I did wrong. J'ai besoin de ma famille, de mes amis et de
what did the mayas and aztecs mix with the seeds and spices to make early chocolate
14) How does wind cause weathering? A) Wind can not cause the weathering of rocks. B) Wind can blow sand and create new landforms. C) Wind picks up sand or dry
A shopper buys cat food in bags of 3 lbs. Her cat eats 3/4 alb each week. How many weeks does one bag last? How to draw a diagram to represent the situation and
Boris makes 9 dollars for each hour of work. Write an equation to represent his total pay P after working H hours.
Which expression is equivalent to (–2y – x) – (5y – 9x)?
Square root of 78 rational or irrational
Which activity is the girl in the picture doing? A. la gimnasia B. levantar pesas C. los deportes de pista D. la carrera a campo traviesa
can somebody please write what are the rules for multiplying integers and the rules for dividing integers in a short answer?
what were stalins 5 year plans