Work out the shaded area
2 answers:
Answer:
- 366 cm²
Step-by-step explanation:
<em>Refer to attached</em>
The ares consists of half-circle and a triangle
<u>Radius of circle:</u>
- 22 cm/2 = 11 cm
- Area = 1/2*3.14*11² ≈ 190 cm²
<u>Sided of the triangle:</u>
- Base = 22 cm, height = 16 cm
- Area = 1/2*22*16 = 176 cm²
<u>Total area:</u>
- 190 + 176 = 366 cm²
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Correct Answer:
C option: 6 feet
Solution:
Since <span>Yolanda wants to keep the pool in proportion to the model, the ratio of diameter to depth of model and the pool will be same.
Let the depth of pool is x feet. So we can write:
Ratio of Diameter to Depth of Model = Ratio of Diameter to Depth of pool
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This means the depth of pool should be 6 feet if </span><span>Yolanda wants to keep the pool in proportion to the model.</span>
C option: 6 feet
Solution:
Since <span>Yolanda wants to keep the pool in proportion to the model, the ratio of diameter to depth of model and the pool will be same.
Let the depth of pool is x feet. So we can write:
Ratio of Diameter to Depth of Model = Ratio of Diameter to Depth of pool
</span>
<span>
This means the depth of pool should be 6 feet if </span><span>Yolanda wants to keep the pool in proportion to the model.</span>