19/8 is the improper fraction of 2 3/8.
Answer:
Exact answer = 10.41666666666666666666666666666pi
Estimated answer = 32.70938
Step-by-step explanation:
Semi circle formula: 1/2 * 4/3 * pi * r^3
r = 2.5
1/2 * 4/3 * pi * 2.5^3
2/3 * pi * 2.5^3
2/3 * pi * 15.625
10.416..... * pi
Exact answer = 10.417pi
We can estimate pi as 3.14
So, 10.417 * 3.14 = 32.70938
Exact answer = 10.41666666666666666666666666666pi
Estimated answer = 32.70938
They are similar because they share the same point, therefore they also have the same angle measure at that point. They are congruent because if the AA Similarity Theorem
T(2)=5-2(2)
t(2)=3(2)
t(2)= 6
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