Question

Graph the following points on the coordinate plane. Find the length of BC to the nearest tenth.

A (1, 1), B (-2, 3), C (5, 7)

Answer 1

8.1

Explanation:

`length=√((xB-xC)^2+(yB-yC)^2)`

`=√((-2-5)^2+(3-7)^2)`

`=√(49+16)`

`=8.1`