Answer:
12 square feet
Step-by-step explanation:
You can find out how many square feet he bought by dividing 432 by 3.
432/3=144
Now, you need to find the square root of that to find the length of just one side of the room.

To find the area of a triangle, you need the formula . A= b*h divided by 2
Answer:
384.3
Step-by-step explanation: