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from a triangle are only concurrent are concurrent with one line bisecting the angle between the other two None of the above

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CSolution :

For the two lines <br> `24x+7y-20=0` <br> and `4x-3y-2=0,` <br> the angle bisectors are given by <br> `(24x+7y-20)/(25)=pm(4x-3y-2)/(5)` <br> Taking positive sign, we get <br> `2x+11y-5=0` <br> So, the given three lines are concurrent with one line bisecting the angle between the other two. **Theorem :-Every first degree equation in x,y represents a straight line.**

**Find the slope of a line when two points having coordinates are given ?**

**Find the slope of a line having equation of the form `ax+by+c=0`**

**Find the angles between two lines .**

**Examples :(i) Let A(6,4) and B(2,12) be two given points.Find the slope of the line perpendicular to AB. (ii) If line `3x-ay-1=0` is parallel to the line `(a-2)x-y+3=0` then find the values of a.**

**Condition for the parallelism of two lines.**

**Condition for Perpendicularity of two lines .**

**What is the intercept of a line on x- axis and y-axis ?**

**Equation of line parallel to x and y axis**

**Slope-intercept form of a line**