Question

find the midpoint, m, of $overline{cd}$. c -5 m d 21 m = ?

Explanation:

Step1: Recall mid - point formula

$M=\frac{C + D}{2}$

Step2: Substitute values of C and D

$M=\frac{-5 + 21}{2}$

Step3: Calculate numerator

$-5+21 = 16$

Step4: Calculate the result

$M=\frac{16}{2}=8$

Answer:

8