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

The time period, T, of a simple pendulum is directly proportional to the square root of the length, d, of the pendulum. When d=6, T=5 Find the value of T when d
16. A rectangle of length (4x - 1) cm and breath 2xcm has an area of 10cm2. Finda Value of xb. Its length and breathc. Perimeter​
At the Conference of Milan, the American delegation argued for manualism. True False
Rachels argues that killing someone is not necessarily morally worse than letting that person die. True False
1) What is thunderstorm? Explain briefly how lightning occurs in nature.​
What must be your car's average speed in order to travel 227 km in 3.22 h ?
what happens when washing soda is exposed to the atmosphere​
derive an expression for torque experiend by an electric dipole placed in a uniform electric field​
How do i do this pls help me standard form (ax + by = c) to slope-intercept form (y = mx + b) x-y= -8 (ANSWER?)
Yoshua borrowed $8,000 from his credit union over 9 months. He pays a simple interest of 9%. What is the total amount of money he will owe the bank?