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Mathematics

1 answer:

uysha [10]3 years ago

3 0

×imagine this is a flattened pyramid box. When you fold along the dotted lines you can see which sides are equivalent.

Add up the areas of each piece.

Two identical rectangular pieces 7 × 10
2(7)(10) = 140

One small rectangular piece 6 × 7
7(6) = 42

Two identical triangles
2(0.5)(6)(8) = 48

Add up all the pieces
140 + 42 + 48 = 230

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