Karlie1998 Karlie1998
  • 23-08-2015
  • Mathematics
contestada

Suppose the circumference of a circle is 15pi. What is its diameter?

Respuesta :

Аноним Аноним
  • 23-08-2015
The circumference of a circle is proportional to its diameter.

[tex]C\propto d\\ \\ \therefore \quad C=kd[/tex]

Now, when d=1, C=π, therefore:

k=π

This means that:

[tex]C=\pi d[/tex]

If C=15π:

15π=πd

Therefore:

d=15
Answer Link

Otras preguntas

ok i need help me please
What leads the elvenking to imprison the dwarves?
This is a story problem and I need help
What special method of fighting did Francis marion used in his attacks on the British
choose the correct word to complete the following sentance: a natural number is (always, sometimes, never) a whole number
The __________ in anthropology uses data about the beliefs and behaviors in many societies to document both cultural universals (generalizations) and cultural p
What is the measure of DAE
"We hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among the
Can someone help me find x
What do all group 2 elements have in common? They all gain two electrons to form a stable outer energy level. They form covalent bonds with halogens. They a