Triangular Prism Surface Area
Grade 11th Grade · Math · 30 min
What's Included
Learning Objective
I can calculate the surface area of a triangular prism using its dimensions.
Warm-Up Video
Scam Squad · 5:13
How to Find Surface Area of Triangular Prisms
Guided Notes
3 key concepts
- 1
The surface area of a triangular prism is the sum of the areas of its two triangular faces and three rectangular faces.
- 2
To find the area of a rectangle, multiply the base by the height, and to find the area of a triangle, multiply the base by the height and divide by two.
- 3
To find the surface area of a triangular prism, first draw the five faces with dimensions, then find the area of each face, and finally add the five areas together.
Practice Questions
3 questions · Short answer
Exit Ticket
Quick comprehension check
“A triangular prism has the following dimensions: triangular faces have a base of 6 cm and a height of 4 cm. The rectangular faces have dimensions 5 cm x 6 cm (two faces) and 5 cm x 4 cm (one face). Calculate the total surface area of this prism, showing each step.”
Complete Lesson Package
Get all 3 ready-to-use resources:
