The legs of an isosceles triangle with a 65 degree vertex angle are congruent with the sides of an equilateral triangle. which triangle has a greater perimeter? how do you know?

The floor plan of a room has a scale of 2.5 in.: 35 ft. in the drawing, the length of the room is 8 in. and the width of the room is 6 in. what is the perimeter of the actual room?

The line containing the midpoints of the legs of right triangle abc where a(-5,5), b(1, 1), and c(3, 4) are the vertices.

Find the area of a parallelogram with base 15 yards and height 21 2/3