If the diameter of a circle is #1.3*10^-12# meters, then what is its radius? If the diameter of the circle is 5 cm, what is the circumfrence and area of the figure?

May 11, 2018 · Need some help. how do you find the equation of a circle with endpoints of the diameter at (-1,1) and (7,9)?

Circle #O# with diameter #"AB"=6# has point #"C"# on its circumference. If #"AC"⋅"BC"="AB"#, then find the perimeter of #triangle "ABC"#?

Two chord PQ and PR of a circle are mutually perpendicular to each other .if the length of the radius of the circle is r cm, let us find the length of the chord QR?

Jun 3, 2016 · How do you write the standard from of the equation of the circle given center (-2,8) and radius 12?

Please refer to the Explanation. M is the midpoint of AB and /_ACB=90^@. Therefore, C lies on the (semi)circle described on AB, taking AB as diameter. M is the midpoint of the diameter AB. :. M is the …

Explanation: If a diameter of the circle has endpoints # (0,0)# and # (-3,-4)#, the center of the circle is in the midpoint of the diameter and has coordinates:

See a solution process below: The formula for the circumference of a circle is: C = 2pir Where: C is the circumference of the circle r is the radius of the circle However, we also know; 2r = d Where: r is the …

Mar 29, 2018 · The area of a circle of radius r is given by the well known formula: A = πr2 If the diameter is d the we have d = 2r ⇒ r = d 2, thus we have: A = π(d 2)2 = πd2 4 Thus, we have: d = 4 ⇒ A = …

A bandstand in the shape of a circle is being installed. Someone would like it to have a 7 foot diameter. How many square feet of plywood will be needed for the floor? Geometry