The radius of the circle with a central angle of 138° that intercepts an arc with length 9 miles is miles?
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asarejoshua831 7 months ago
Светило науки - 3 ответа - 0 помощи

Step-by-step explanation:

begin{gathered}x^2 + y^2 + 17 = 138\x^2 + y^2 = 138 - 17\x^2 + y^2 = 121\x^2 + y^2 = 11^2\Radius = 11end{gathered}

x

2

+y

2

+17=138

x

2

+y

2

=138−17

x

2

+y

2

=121

x

2

+y

2

=11

2

Radius=11

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