The floor plan of the lobby of a hotel is shown below. Which of the following formulas is not useful to determine the area of part of the lobby? a 2 b.

Find the perimeter D A C B

Quzcratic Equetions, Q: The perimeter of arectangular field is 82 cm and its area is 400 m Find the breadth of the rectangle.

You are frosting a cake and want to frost the side white, but the top pink. The cake is in the shape of a right circular cylinder that is 4 inches tall and has a diameter of 14 inches. How many square inches will the white frosting need to cover? Use π=3.14 and round your answer to the nearest hundredth, if necessary.

Fido the dog is on a 16.7-ft chain that is attached to the middle of the back of a barn, as shown in the picture below. The chain does not allow him to go past either of the adjacent sides of the barn, thereby allowing him to roam all the space inside 1/2 of a circle. How much area does Fido have to roam?