Sara63
Sara63 Sara63
  • 04-03-2015
  • Mathematics
contestada

(link to the maths question) can anyone help?

link to the maths question can anyone help class=
link to the maths question can anyone help class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 04-03-2015
first one

20cm=diameter
perimiter of this one is (pi times radius^2)divided by 2+ 20

diameter=2radius
radius=diameter times 1/2
diameter=20
20/10=radius=10

3.14 times 10^2=314
314 times 1/2=157
157+20=177 cm
perimiter=177 cm
Answer Link

Otras preguntas

how do you write 45 hundredths as a fraction and decimal
A leftward shift of the supply curve for oil in the united states is most likely to result from:
Richard and Jordan went to see a movie. Richard spent m dollars at the movie theater, and Jordan spent $12 at the movie theater. Together they spent a total of
What kinds of work did peasants do on the manor?
what was the first world war about
Jamie walks from a bright room into a dark room. it will take about ________ minutes for her rods and cones to fully adjust to the dark.
can you simplify this?
Why do samples of platinum and copper have the same extensive properties?
Look at the picture. Which action best describes what she is doing?
Which feature of an object affects its weight? Check all that apply. A. mass of the object B.shape of the object C.location of the object D.how much energy