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Softa [21]
3 years ago
5

Check my answers please?? (multiple choice with pictures)

Mathematics
1 answer:
mariarad [96]3 years ago
5 0
A = bh
A = (22)(18)
A = 396 m²

A = ¹/₂h(b₁ + b₂)
A = ¹/₂(8)(16 + 12)
A = ¹/₂(8)(28)
A = ¹/₂(224)
A = 112 cm²

   P = 2l + 2w
 20 = 2l + 2(4)
 20 = 2l + 8
- 8         - 8
 12 = 2l
  2      2
   6 = l

C = 2πr
C = 2(3.14)(8)
C = 2(25.12)
C = 50.24 in

A = πr²
A = (3.14)(3)²
A = (3.14)(9)
A = 28.26 m²
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