Question

If number of end points in a line, ray and a line segment are represented by X, Y and Z, what is the value of X + Y + Z? [2 MARKS]

Answer 1

Steps : 1 Mark
Result : 1 Mark

The number of end points in a line are zero

$\Rightarrow X=0$

The number of end points in Ray are 1

$\Rightarrow Y=1$

The number of end points in a line segment are 2

$\Rightarrow Z=2$

$\therefore X+Y+Z=3$