In the diagram below, the top of the bridge is parallel to the deck, and the brace in the middle is vertical, perpendicular to the deck, determine the size of ∠1 and ∠2. Explain your reasoning.

Step by step explanation pls for 10 pts the length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?