The area of a circle with radius r is given by the formula A = r2. If the diameter of a circle is 1/2 centimeters, what is the area of the circle to the nearest hundredth? (Use= 3.14).

You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a