A120 kilowatt light bulb uses about 0.1 kilowatt of electricity per hour if electricity cost $0.20 per kilowatt-hour how much does it cost to have the bulb on for an hour

Afarm is to be built in the shape of quadrilateral abcd, as shown below. all four sides are equal. a rhombus abcd is shown with diagonal ac equal to 15.5 feet and diagonal bd equal to 13.2 feet. what is the area of the farm? pleas only pick from the 4 below 62 square feet 52.8 square feet 57.4 square feet 102.3 square feet