Can someone help me on this page ?

i think that you should ask google for the answer to that problem because if we don't know it google does

5 pm

step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.

answer: 12,000

step-by-step explanation: first you ar e supposed to add. then multiply then subtract