Answer:
The answer is "0.9192".
Step-by-step explanation:
Answer:
if no one answers pic b cuz i got good luck
Step-by-step explanation:
A - 7 + 3 = 0
a -4 = 0
a = 4
Answer is C
Answer: 130.666
Step-by-step explanation:
To work out the area of a semicircle<span> you can use the formula A = (Pi*r^2)/2. This is because the </span>area<span> of a full</span>circle<span> is A = Pi*r^2 and a </span>semicircle<span> is </span>half<span> the </span>area<span> of a full</span>circle<span> so you divide this by 2. Just be careful to substitute the radius into the formula and not the diameter!
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