Login

Search the forums now!

Welcome, Guest. Please login or register.

April 28, 2024, 07:42:34 pm
Pages: [1]   Go Down

Author Topic: Length of chord  (Read 411 times)  Share 

0 Members and 1 Guest are viewing this topic.

DannyN

  • Victorian
  • Trendsetter
  • **
  • Posts: 103
  • Respect: 0
Length of chord
« on: April 05, 2011, 08:53:43 pm »
0
Hi guys im stuck on this question from chapter 1 for toolbox

A circle has centre (3,-2) and radius length 3. Find the length of the chord along the x-axis.
Really appreciate it if you can help Thanks!~ =)
Logged
2010: Mathematical Methods (CAS)
2011: English | Specialist Mathematics | Physics | Chemistry | Further Mathematics
Biomedicine@UoM

xZero

  • Victorian
  • Forum Leader
  • ****
  • Posts: 898
  • Respect: +68
Re: Length of chord
« Reply #1 on: April 05, 2011, 09:03:24 pm »
0
make an equation for the circle, (x-3)^2+(y+2)^2=3^2

find the x-intercept and the length of the chord along the x-axis will be the magnitude of the difference between the x-intercepts
Logged
2009: Chinese SLA
2010: English, Maths method[45,A+ A+ A+], Specialist maths[44,A+,A,A+], Physics[40,A,A+,A+], Psychology Atar:94.75
2011-2015: Bachelor of Aerospace Engineering/Science @ Monash

Methods/Spesh/Physics tuition

DannyN

  • Victorian
  • Trendsetter
  • **
  • Posts: 103
  • Respect: 0
Re: Length of chord
« Reply #2 on: April 05, 2011, 09:08:40 pm »
0
wow nice! thanks! =)
Logged
2010: Mathematical Methods (CAS)
2011: English | Specialist Mathematics | Physics | Chemistry | Further Mathematics
Biomedicine@UoM
Pages: [1]   Go Up