haileycampbell822 haileycampbell822

18-04-2020
Mathematics

contestada

Solve for X ???

A. 2 / 15
B. 20
C. 30
D. / 35

Solve for X A 2 15 B 20 C 30 D 35 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

18-04-2020

Answer:

2 sqrt(15)

Step-by-step explanation:

Using the secant tangent formula

(whole secant) x (external part) = (tangent)^2

(5+7) * 5 = x^2

12*5 = x^2

60 = x^2

Taking the square root

sqrt(60) = sqrt(x^2)

sqrt(4*15) = x

2 sqrt(15) =x

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