xxYingxYangxx74641 xxYingxYangxx74641 28-03-2024 Mathematics contestada A four-bar is to be designed with ϕ₁ = 35.0, ϕ₂ = 80.0, ψ₁ = 45.0, ψ₂ = 115.0, r₁ = 3.5, and r₄ = 5.0. Find: What is r₃?