Ahomeowner has 20 feet of fencing material to enclose a rectangular area for his pets. the rectangular area is adjacent to a house. the side that is adjacent to the house does not need to have railing installed. what dimensions should be used in order to maximize the play area?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.