# Osculating Circle

## 1. Drag the slider Δt in the left, and set position of R on the right. 2 Drag the slider δt in the left, and set position of Q on the right. 3. One by one, click on checkbox in the left, and answer the questions given bottom of this page.

## Question 1

What should be the nature of three points to determine a triangle? [Click on Triangle Checkbox above, slide the parameter t and answer this question]

## Question 2

Is it possible to circumscribe any kind of triangle by a circle? [Click on Circle Checkbox above, slide the parameters t, Δt ,δt and answer this question]

## Question 3

Is circle a plane figure, even if it is drawn in three dimensional space? [Click on Plane Checkbox above, slide the parameters t answer this question]

## Question 4

In which case, circle and osculating circle becomes identical? [Click on circle and Osculating circle Checkbox above, slide the parameters t, Δt ,δt, and answer this question]