Acarpenter trims a triangular peak of a house with three 7-ft pieces of molding. the carpenter uses 21 ft of molding to trim a second triangular peak. are the two triangles formed congruent? explain.

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)