Answer: do your values into the equation A=1/2bh and do the math. First multiply the base (b) by 1/2, then divide the area (A) by the product. The resulting value will be the height of your triangle!
Step-by-step explanation:
This is the answer in that picture
Answer: X =5/2, 15/2 x=2.5, 7.5
negative 2 is where it crosses
