please help <3 answer anytime i got all the time really! no links or files! If your right BRAINIEST!!!

Answer: 23.22 ft
Step-by-step explanation: Multiply the base by the height to find the area. Since this is a triangle, we also have to divided by 2 before we get our answer. So that would be written like: 5.4 x 8.6 divided by 2 = area