Answer:
518.4 cm²
Explanation:
We have two triangles so
2 × (9×10/2) = 90
We have a base so
14 × 10 = 140
We have two other rectangles so
2 × 14 × 10.3 = 288.2
Now we add it all together
288.4 + 140 + 90 = 518.4
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