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hoa [83]
3 years ago
6

WILL MARK BRAINLIEST AND THANK YOU!!! PLEASE HELP!!

Mathematics
1 answer:
Nadya [2.5K]3 years ago
6 0

Answer:

426.9 Km²

Step-by-step explanation:

The shaded area is the area of the triangle subtract the area of the circle.

Area of triangle = 0.5 bh ( b is the base and h the perpendicular height )

Here b = 40 and h = 27, thus

Area = 0.5 × 40 × 27 = 20 × 27 = 540 Km²

Area of circle = πr² ← r is the radius

Here the diameter is 12, thus radius = 12 ÷ 2 = 6

Area = π × 6² = 36π ≈ 113.1 Km²

Shaded area = 540 - 113.1 = 426.9 Km²

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Answer:

Step-by-step explanation:

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4 0
4 years ago
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5 0
4 years ago
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