PepperPancake PepperPancake

22-10-2019
Mathematics

contestada

PLEASE HELP
If A = (0,3) and B = (8,9) and B is the midpoint of AC, what is the length AC.

Respuesta :

tcehcrhistie tcehcrhistie

22-10-2019

Answer:

AC = 20

Step-by-step explanation:

Calculate the length of AB:

rise: 9-3=6

run: 8-0=8

use Pythagoras theorem:

length^2=rise^2 + run^2

length =√36+64

length = 10

since B is the midpoint of AC, AB = BC

length of AC = 10*2 = 20

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