LEARNING TASK 4 A. What you need: - four ROUND OBJECT of different sizes - ruler (same materials used in the previous lesson) Step 1. Measure the diameter of each can lid using your ruler. Step 2. Complete the table below. Can Example: A 1 2 3 34 4 Diameter (cm) 6 cm Radius (cm) 3 cm A= πr² A = 3.14 x 3 x 3 AREA (cm²) 28.26 cm²​