10*30=300
10*4=40
6*30=180
6*4=24
add them up: 300+40+180+24=544
Answer:
in steps
Step-by-step explanation:
DE // BC
m∠ADE = m∠ABC and m∠AED = m∠ACB
∴ ΔADE similar to ΔABC
AB/AD = AC/AE
(AD + DB) / AD = (AE + EC) / AE
AD/AD + DB/AD = AE/AE + EC/AE
1 + DB/AD = 1 + EC/AE
DB/AD = EC/AE (AD/DB = AE/EC)
Put your points in a graphing calculator and it will show you the answer
Answer:
0.25km
Step-by-step explanation: