Question

Find the length of AD in the figure.

Answer 1

Answer:

√122

Step-by-step explanation:

To find the distance/length between two points

Use this formula: $\sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}$

$\sqrt{(1 - 2)^2 + (3 + 8)^2}$

$\sqrt{(-1)^2 + (11)^2}$

$\sqrt{1 + 121}$

$\sqrt{122}$