Mathematics for IGCSE & O level - Mensuration (Section 4 - No. 30)
To find the area of a complex shape, what is the best approach?
Use a single complex formula
Divide the shape into simpler shapes
Estimate the area visually
Measure the perimeter only.
Explicação
Dividing a complex shape into simpler shapes (rectangles, triangles, etc.) makes area calculation easier.