Question

09/05 - cst and mixed practice (online version) l
you should draw and label on your whiteboards! dont put spaces in your equation.

1. b is between a and c. ab = 12, bc = 5.

equation: = (no space)
ac =

Explanation:

Step1: Understand segment - addition postulate

Since B is between A and C, then $AC=AB + BC$.

Step2: Substitute given values

Substitute $AB = 12$ and $BC = 5$ into the equation. So $AC=12 + 5$.

Step3: Calculate AC

$AC=17$.

Answer:

Equation: $AC=AB+BC$
$AC = 17$