2 years ago

Surface area help plz

Mathematics

1 answer:

lana [24]2 years ago

8 0

Answer:

486 mm

Step-by-step explanation:

solve each side on it's own first

First 2 rectangles: 288 mm all together

2 rectangle: 144 mm

Triangles: 54 mm

Then add rectangles and triangles:

288 mm + 144 mm + 54 mm = 486 mm

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