The sides of a triangle are 5, 12 and 13 units respectively. A rectangle is constructed which is equal in area to the triangle and has a width of 10 units. Then the perimeter of the rectangle is

if i have a sheet of triangle of base a and height b. if i cut it such that base becomes a/2. the new area is

The two legs of a right triangle measure 6 and 8 inches respectively. What is the area of the circle that contains all 3 vertices of the triangle?

The base of a triangle with area of 36 square cm and height of 4 cm is 16 cm.