Respuesta :

choixongdong
18.8 / 2 = 9.4

x^2 = 4.7^2 + 9.4^2
x^2 = 22.09 + 88.36
x^2 = 114.45
x = 10.5

answer
A. 10.5
prestonshelton
Hello!

You can use the Pythagorean Theorem

18.8 / 2 = 9.4

[tex] 4.7^{2} + 9.4^{2} = c^{2} [/tex]

square the numbers

[tex]22.09 + 88.36 = c^{2} [/tex]

Add

[tex]110.45 = c^{2} [/tex]

Take the square root of both sides

10.5 = c

The answer is A) 10.5

Hope this helps!