CPM Homework Help : GB8I Problem 6-43

On graph paper, draw $\overline{AC}$ with coordinates $A(2, 6)$ and $C(5, −1)$ . Then draw a slope triangle. Use the slope triangle to calculate the length of $\overline{AC}$ . Consider the precision of the measurement.

Hint:

One leg is $3$ units long, the other leg is $7$ units long. You will need the Pythagorean Theorem.
Review the Math Notes box in section 4.1.1 if you need further help with the Pythagorean Theorem.