Area of a Circle from Diameter (with hint and calculator)

In this math topic, students practice finding the area of a circle given its diameter. They use the formula A = πr², where r is half of the diameter, to calculate the area. This topic represents a broader unit on Geometry, focused specifically on the area of a circle. A hint and a calculator are provided to aid the learning process. To assist in understanding, various questions are listed with corresponding solutions. The topic forms an important part of Geometry.