giggly1616 giggly1616
  • 04-05-2018
  • Mathematics
contestada

what is the area of the circle if DF=20 in.

what is the area of the circle if DF20 in class=

Respuesta :

calculista
calculista calculista
  • 13-05-2018
we know that

DF is the diameter of the circle
so
radius r=DF/2----->20/2-----> r=10 in

area of the circle=pi*r²------> pi*10²-----> 100*pi in²-----> 314 in²

the answer is

100*pi in² or 314 in²
Answer Link

Otras preguntas

at what point is base no longer added during a titration
Although the Anti-Federalists lost their main goal, what important task did they accomplish?
In late 1942, U. . and British troops attacked the German army in ? a)poland b)north africa c)france d)Switzerland
what helped to socially and politically unify the early byzantine empire by tolerating and even promoting christianity
Which of the following statements about John d. Rockefeller is most accurate? a. He invented the concept of vertical integration. b. He drilled the first oil we
________ current form of government is a theocracy.
Which homeostatic process moves particles against a concentration gradient? A.dynamic equilibrium B.passive transport C.osmosis D.active transport
Which of the following would be considered a personal responsibility in the united states a. driving the speed limit b. paying rent c. jury duty d. none of thes
What is the completely factored form of 3x^2-12x-15
Solve each equation: 1.20=4b+7+5 2.7=6k-7k 3.23-2m=3-2(5m-2) 4.-88/45=1/3r+2/5r