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lesantik [10]
2 years ago
10

You have a rectangular yard that measures 16 feet long 14 feet wide. It is covered in grass except for the center, where there i

s a circular fountain with a diameter of 4 feet. What is the area of the grass portion of your yard? Round your answer to the nearest hundredth. is it (a) 131.43 ft.² (b) 173.74 ft² (c) 211.43 ft² (d) 263.74 ft²
Mathematics
1 answer:
Ganezh [65]2 years ago
3 0
The entire square of your yard is equal to 16*14
16*14=224 square feet
you have to find the area of the fountain and subtract it from the total yard to get just the area with grass
pi*2^2
pi*4=12.57 feet squared
224-12.57= C. 211.43 feet squared of grassy area

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We have been given that Sandra knows the Pythagorean identity \text{sin}^2(\theta)+\text{cos}^2(\theta)=1. She is told that 0\leq \theta\leq \frac{\pi}{2} and \text{cos}(\theta)=\frac{5}{12}.

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