I think the truss is just one of those triangles whose sides are 3ft, 3ft, 3ft so its perimeter is
Answer: 9 feet
m=90
hope i helped! (sorry if wrong)
It is a right angle,90° is a right angle also, triangle.
Answer:
80
Step-by-step explanation:
(20 x 2) + (10 x 4) = 40 + 40 = 80
brainliest please ;)
Answer: 7.5
Step-by-step explanation: It's negative, so the opposite would be positive.