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lubasha [3.4K]
2 years ago
14

Help me please!!!!!!​

Mathematics
1 answer:
prohojiy [21]2 years ago
7 0

Answer:

161.1 m² (1 dp)

Step-by-step explanation:

Area of a triangle = 1/2 x base x height

⇒ area = 1/2 x 12 x (20 - 12) = 48 m²

Area of a quarter circle = \dfrac14\pi r^2

⇒ area = 1/4 x \pi x 12² = 113.1 m² (1 dp)

Total area = 48 + 113.1 = 161.1 m² (1 dp)

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