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IrinaVladis [17]
3 years ago
13

Please help me find the value of x

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
3 0

Answer:

7

Step-by-step explanation:

(tangent)^{2} = AC × CB

 12^{2} = ( x + 9 ) 9

 144 = 9x + 81

 9x = 144 - 81

 9x = 63

 x = 63 ÷ 9

 x = 7

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