Find the area of the figure. Round to the nearest tenth if necessary.
1 answer:
9514 1404 393
Answer:
A. 12.28 km²
Step-by-step explanation:
The area of the figure is the sum of the areas of its parts. The area of the triangular part is ...
A = 1/2bh
A = 1/2(3 km)(4 km) = 6 km²
__
The area of the semicircular part is ...
A = 1/2πr²
A = 1/2(3.14)(2 km)² = 6.28 km²
__
Then the area of the figure is ...
6 km² + 6.28 km² = 12.28 km²
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