Thugnificent
Thugnificent Thugnificent
  • 15-04-2018
  • Mathematics
contestada

If a circle has a center at the point (3, 4) and goes through the point (6, 8), what is the radius?

Respuesta :

altavistard
altavistard altavistard
  • 15-04-2018
Start with the eqn of a circle with center at (h,k) and radius r:

(x-3)^2 + (y-4)^2 = r^2.  Now replace x with 6 and y with 8:

(6-3)^2 + (8-4)^2 = r^2
 
3^2 + 4^2 = r^2  =>  r = 5.
Answer Link

Otras preguntas

Write the converse of the following statement: "If oranges are sold at four for 99cents, then each orange costs less then 25cents"
Mike has $136.00 to spend on his ticket into the amusement park he spends 25% of that money on his ticket into the park.How much does Mike have left to spend?
use this, a pen with silver ink,for the invitations. What is the appositive phrase
How fast can a turkey run? (a) 7 mph (b) 11 mph (c) 18 mph (d) 25 mph
If both the president and the Vice President were killed at the same time would there be an immediate presidential election?
What was significant about the transfer of power between parties in 1801?
Which level of organization is represented by a bone in our body? tissue cellular organ system
How did the initially small slide in stock prices lead to the stock market crash?
What does the speaker in "Stopping by Woods on a Snowy Evening" demonstrate by continuing on his journey? A. his compassion for his horse B. his level
Gretchen is using an overhead projector to enlarge a drawing so she can make a poster. The original drawing measures 60 mm wide by 80 mm high. She moves the pro