Volume and Surface Area of Composite Figures
Grade 8th Grade · Math · 45 min
What's Included
Learning Objective
I can solve word problems involving volume and surface area of composite 3d figures made of cylinders, cones, spheres, rectangular prisms, and rectangular pyramids.
Warm-Up Video
Lauren Kidman · 14:18
Surface Area and Volume of Composite Solids
Guided Notes
3 key concepts
- 1
A composite shape is made up of more than one type of shape.
- 2
To calculate the surface area of a composite shape, you need to pick the parts of each shape's formula that you need.
- 3
To find the total surface area of a 3D composite shape, calculate the surface area of each individual part and then add them together.
Practice Questions
5 questions · Short answer
Exit Ticket
Quick comprehension check
“A bird feeder is made of a cylinder with a cone on top. The cylinder has a radius of 4 inches and a height of 6 inches. The cone has the same radius and a height of 3 inches. If a bird eats 2 cubic inches of birdseed per day, how many days will the bird feeder last when full?”
Complete Lesson Package
Get all 3 ready-to-use resources:
