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Soloha48 [4]
2 years ago
12

3 cm 3 cm Surface Area 3 cm = [?] cm² Enter

Health
1 answer:
Shtirlitz [24]2 years ago
4 0

Answer:

27cm²

Explanation:

We should split this shape into 1 sqaure and 4 triangles.

For the square, it has length 3 and width 3 so the area is 9 square cm

For a triangle, it has the vertical height 3 and length 3. the formula for area of a triangle is ½bh. ½9 = 4.5. Since we have 4 triangles, multiply this by 4 to get 18 square cm.

18 + 9 = 27 so final answer is 27cm²

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