Back to Perimeter and Area of Plane Figures — Problem 3 · Task Set 33
Exercises: Perimeter and Area of Plane Figures
Work through each section in order. Show your working, and always write the correct unit (cm or cm²) with your answer.
Grade 7·21 problems·~28 min·Uganda NCDC Primary 7 Mathematics·lesson·measurement-01
Work through problems with immediate feedback
A
Recall / Warm-Up
These problems review skills you already know.
1
A triangle has three sides of the given lengths. Look at the labeled triangle below and find its perimeter.