Topic D: Problems involving area and surface area

Topic D includes lessons 20-24 and covers real-world area problems, mathematical area problems, area problems with circular regions, and surface area.(Currently, we do not have content for Lessons 20 and 24.)

Finding circumference of a circle when given the area

Area of a shaded region

Area of parts of circles

Circumference and rotations

Area and circumference of circles challenge

Shaded areas

Impact of increasing the radius