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Sholpan [36]
3 years ago
12

Perimeter of the figure?

Mathematics
1 answer:
vlabodo [156]3 years ago
8 0

Answer:

32 cm

Step-by-step explanation:

As we could see if the image was a full rectangle with width is 7 cm and the length is 9 cm, the perimeter of it would be 32 cm.

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Problem 2

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The 3D shape formed when rotating around the y axis forms a pencil tip

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Part (b)

Check out the two diagrams below.

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Problem 3

Answer: Choice A and Choice C

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Explanation:

Think of stacks of coins. Let's say we had 2 stacks of 10 quarters each. The quarters are identical, so they must produce identical volumes. Those sub-volumes then add up to the same volume for each stack. Now imagine one stack is perfectly aligned and the other stack is a bit crooked. Has the volume changed for the crooked stack? No, it hasn't. We're still dealing with the same amount of coins and they yield the same volume.

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Answer:

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Step-by-step explanation:


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Answer:

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