Which of these statements is the best conclusion for the following list of statements? ∠a and ∠b are acute angles of △abc.∠a and ∠b are base and vertex angles respectively.△abc is an equalateral triangle. question 4 options: m∠a+ m∠b > 90° ∠a and ∠b must be supplimentary. m∠a > m∠b ∠a ≅ ∠b

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat