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aev [14]
2 years ago
12

Can someone please explain? lol

Mathematics
1 answer:
leva [86]2 years ago
4 0

Answer:

  • 10.235 in²
  • 225 cm²

Step-by-step explanation:

The area of a triangle is half the product of its base and height.

  A = 1/2bh

<h3>a)</h3>

  A = 1/2(2.3 in)(8.9 in) = 10.235 in²

__

<h3>b)</h3>

  A = 1/2(15 cm)(30 cm) = 225 cm²

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