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weqwewe [10]
3 years ago
5

What is the percent decrease from 72 to 63

Mathematics
1 answer:
Aleks [24]3 years ago
3 0
<span>its 12.5% degrees.
72*percent equal 63
72*x equal 63       (x=1 minus percent off)
x*72 equal 63
/72     /72
x   equal  .875
x equal 87.5%
100-87.5
12.5%
hope that helps
</span>
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Answer:

Claim 2

Step-by-step explanation:

The Inscribed Angle Theorem* tells you ...

... ∠RPQ = 1/2·∠ROQ

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... 2·∠RPQ = ∠ROQ

The symmetric property of equality says you can rearrange this to ...

... ∠ROQ = 2·∠RPQ . . . . the measure of ∠ROQ is twice the measure of ∠RPQ

_____

* You can prove the Inscribed Angle Theorem by drawing diameter POX and considering the relationship of angles XOQ and OPQ. The same consideration should be applied to angles XOR and OPR. In each case, you find the former is twice the latter, so the sum of angles XOR and XOQ will be twice the sum of angles OPR and OPQ. That is, angle ROQ is twice angle RPQ.

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