Need help! Marking brainliest. Need step by step solution

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.