What is the distance around a triangle that has side measuring 2 1/8 feet, 3 1/2, and 2 1/2 feet? ? a: 7 1/8 feet b: 7 9/24 feet c: 8 feet d 8 1/8 feet show work plz

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