Thinking Summary · Step 1
Mastered[object Object]
[Discovery] Tap each face of the 18×9×5 prism net to count all 6 rectangles and add up the surface area.
Step 1
Active Step[Discovery] Tap each face of the 18×9×5 prism net to count all 6 rectangles and add up the surface area.
Surface Net
Tap each face of the 18 × 9 × 5 prism to count its 6 faces.