
Explanation:
The triangle is right angled.
The formula for area of the triangle:

base = 3
height = 4
substitute the values:
Step-by-step explanation:

Answer:
152.971
Step-by-step explanation:
i think thats the answer but sorry if its not.
The perimeter is 62 inches. My work is shown in the picture.
I think the answer is 180 since 360/2=180