UFPR 2ªFASE 2024 - Questão 3 - Na figura ao lado, temos o triângulo retângulo ABC... #ufpr

In the figure to the side, we have the right triangle ABC. The figure also shows the rectangle CDEF with vertices D, E, and F on the sides of the triangle. Knowing that AD = 4 cm and BF = 3 cm, do what is asked, showing your reasoning. a) What is the area of ​​rectangle CDEF in cm²? b) Knowing that the area of ​​triangle ADE is twice the area of ​​triangle EFB, calculate the value of the tangent of angle α, indicated in the figure. SOLUTION 2nd Phase UFPR 2024/2025 |Mathematics| #ufpr #resolution