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Kazeer [188]
3 years ago
15

Please help with this and explain :)

Mathematics
1 answer:
Sergio039 [100]3 years ago
7 0
Diameter of semicircle is 4 cm
so cicumference of circle is 4pi
since there are 4 semicircles, they add up to 2 circles
so total perimeter is 8pi
which when rounded off is 25.13 cm (2d. p.)
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3 years ago
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DaniilM [7]
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5 0
3 years ago
Can someone help me and please explain how you did it
nikitadnepr [17]

Answer:

Radius: 7

Diameter: 14

Area Formula: π r^2

Area Answer: 154 ft^2

Step-by-step explanation:

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A = π(7)^2

A = π(49)

A = 153.9380 ft^2

3 0
3 years ago
Ten is 5% of what number?<br><br><br> 50<br><br> 5<br><br> 200<br><br> 500
Agata [3.3K]
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I hope this helps :)
6 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points (-1,9) and (5,21)
geniusboy [140]
Y-y
——-
X-x

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7 0
3 years ago
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