Area of rectangle, square, triangle, parallelogram

Can you frame. Question in which areas of all the plane figures rctangle. Square, triangle and a parallelogram are to be calculated?

If perimeter of rectangle & Parallelogram is equal with same base. Find the ratio of area of rectangle and area of parallelogram.

If the perimeter of a rectangle is equal to the perimeter of a parallelogram,then the area of the rectangle is more than that of the parallelogram.[True/False]

If rectangle = 12, triangle = 15, square = 6, parallelogram = 4 and circle = 3, solve the equation using the above values and answer in figures. ("rectangle + square")/("trianlge")=?

If a rectangle and a parallelogram are equal in area and have the same base and are situated on the same side, then the quotient: "Perimeter of rectangle"/"Perimeter of parallelogram" is -

If a triangle and a parallelogram are on the same base and between same parallels, then the ratio of the area of the triangle to the area of parallelogram is