Mathematics: What is the measure of arc ac? how did you get this answer?

What is the measure of arc ac? how did you get this

Ответ:

Kbkbkb3710

05.01.2022

The double of an inscribed angle is equal to the central angle and central angle is equal to arc angle, therefore:
2(3x-1.5)=(3x+9)
6x-3=3x+9
6x=3x+12
3x=12
x=4
then plug it back to the first equation 3x+9, so, therefore 3(4)+9=21

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Ответ:

Samridh

19.03.2022

Mathematics

$10\left(h+3+5j\right)$

Step-by-step explanation:

$10h+30+50j\\10h+3\cdot \:10+5\cdot \:10j\\10\left(h+3+5j\right)$

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What is the measure of arc ac? how did you get this answer?

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