A figure consists of a semi-circle with a rectangle on its diameter. Given the perimeter of the figure, find its dimensions in order that the area may be maximum.

A figure consists of a semi-circle with a rectangle on its diameter. Given that the perimeter of the figure is 20 cm. Find the dimensions in order that its area may be maximuum.

A figure consists of a semi - circle with a rectangle on its diameter . Given the perimeter of the figure , find the dimensions of the rectangle in order that the area may be maximum.

The perimeter of a rectangle is 40 cm. Find the dimensions of the rectangle if its area is maximum.

The perimeter of a rectangle is 40 cm. Find the dimensions of the rectangle if its area is maximum.

A rectangle is inscribed in a semi-circle of radius r with one of its sides on diameter of semi-circle.Find the dimensions of rectangle so that the area is maximum.Find the area also.

A window is in the form of a rectangle, together with a semi-circle on its top side as diameter. If the perimeter of the window is 80 inches, determine the dimensions of the rectangle, so that a maximum amount of light may be admitted.

Perimeter of a semi circle is 36cm, find its diameter.