Answer:
14x10 then divide by 2=70
Step-by-step explanation:
476cm2
14×14=196cm2
[tex] \frac{1}{2 } \times 14 \times 10 = 70cm {}^{2} [/tex]
[tex] {70cm}^{2} \times 4 = 280 {cm}^{2} [/tex]
[tex]280 {cm }^{2} + 196 {cm}^{2} = 476 {cm}^{2} [/tex]
