Page 271 - NUMINO_WB_5B

144-B1-1

Figures and the Surface Area

1. Look at the net of each figure and find the surface area.

Example The area of A 3 2 6 ( c m 2)
The area of B 2 3 6 ( c m 2)
A The area of C 3 3 9 ( c m 2)
BCDE The area of D 2 3 6 ( c m 2)
The area of E 3 3 9 ( c m 2)
F The area of F 3 2 6 ( c m 2)

Surface area ABCDEF
669696
42 (cm2)

a. C The area of A (cm2)
DE The area of B (cm2)
A The area of C (cm2)
F The area of D (cm2)
B The area of E (cm2)
The area of F (cm2)

Surface area

(cm2)