Need help in math ASAP thank youu

Answer
8.66025.....or 9
Step-by-step explanation:
Alright so in the bottom we have 8. If we divide them by 2 it = 4. The answer has to do with The Pythagorean theorem. So a²+b²=c². a=8, b=3. e=?.
8²+3²=e².
64+9= √75
√75 is 8.66.....or 9.