Work out the length x.
Х
7.5 cm
16 cm

Answer:
x = 17.7
Step-by-step explanation:
[tex]a^{2} + b^{2} = c^{2}[/tex]
[tex]7.5^{2} + 16^{2} = x^{2}[/tex]
[tex]56.25 + 256 = x^{2}[/tex]
[tex]312.25 = x^{2}[/tex]
[tex]\sqrt{312.25} = x[/tex]
[tex]17.7 = x[/tex]