Respuesta :

Answer: Let x = the length of a side of the square

a2 + b2 = c2

x2 + x2 = 102

2x2 = 100

x2 = 50

x = √50

x = 5√2 cm

Step-by-step explanation:

BraceFaceMolly

d=√2

a=√2.10 ≈14.14214cm

=14.14cm