What is the area of △ABC△ABC ?
Enter your answer, as a decimal, in the box.
Round only your final answer to the nearest tenth.
units²
In this triangle, what is the value of x?
Enter your answer, rounded to the nearest tenth, in the box.
x = _______.
A truss support structure has the cross section as shown.
What is the length of the base of the truss?
Enter your answer in the box.
Round only your final answer to the nearest foot.
ft
+31 
