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bonufazy [111]
3 years ago
12

The diameter of the larger circle is 10.5 cm. The diameter of the smaller circle is 4.5 cm. What is the approximate area of the

shaded region?
Mathematics
2 answers:
kupik [55]3 years ago
4 0
Area larger circle: 3.14 x 5.25^2 = 86.55

area of smaller circle: 3.14 x 2.25^2 = 15.90

86.55 - 15.90 = 70.65  ( round answer as needed)
WARRIOR [948]3 years ago
3 0
70.65, you should try photo math!!
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2 years ago
I can’t figure out what the half circle means the answer options are 163,129,149 and 186
vodka [1.7K]

Answer: 129

Step-by-step explanation: First find the area of the circle. Since we know the area of a circle is πr²  (pi multiplied by the radius squared) we can find the area of the half circle. The radius is 5 (because radius is half of the diameter)

Area=3.14(5)²

       =3.14(25)

       =78.5

But since this is just a half circle, divide this by 2

That will get 39.25

Then add this to the area of the rectangle (L*W) which is 90

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4 0
3 years ago
sandra used 2 jars of beads to make 16 necklaces how many jars of beads would she need to make 192 neclaces
garik1379 [7]

Answer:

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4 0
2 years ago
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tankabanditka [31]
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The answer is (B) 8. have a nice day


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