Question

Explain the answer in steps.
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Answer 1

Answer:

3) 30 cm^2

Step-by-step explanation:

Area of right triangle = 1/2 × height × base

Since we do not have one of the sides , we have to find it by Pythagorean theorem

b^2 + (5 cm)^2 = (13 cm)^2

b^2 + 25 cm^2 = 169 cm^2

b^2 = 169 - 25 cm^2

b^2 = 144 cm^2

b =√(144 cm^2)

b = 12 cm

Now , we have both height and base . So,

1/2 × 5 cm × 12 cm

1/2× 60 cm^2

30 cm^2

Answer 2

Answer:

3) 30cm²

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