5jw8gxdz78
5jw8gxdz78
13-05-2022
Mathematics
contestada
Find the value of X
Respuesta :
Hrishii
Hrishii
13-05-2022
Answer:
x = 14
Step-by-step explanation:
By tangent secant theorem
[tex] x^2 = 7(7+21)[/tex]
[tex]\implies x^2 = 7(28)[/tex]
[tex]\implies x ^2=196[/tex]
[tex]\implies x=\pm\sqrt{196}[/tex]
[tex]\implies x=\pm 14[/tex]
x can not be negative
[tex]\implies x=14[/tex]
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