Two vertices of a square lie on a semi-circle as shown, while the other two lie on its diameter. The radius of the circle is 1 cm. How big is the area of the

square?

I have attached the image needed to complete this question. Please include an explanation, thank you! :)

16 more than the product of 5 and p

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters