Respuesta :
Answer:
70 mm
Step-by-step explanation:
Use PYTHAGOREAN THEOREM: a^2+b^2=c^2
42^2 + 56^2 = c^2
1764 + 3136 = c^2
4900=c^2
square root of 4900 is 70
so, the final answer is 70 mm
42^2+56^2=c^2
1764+3136=c^2
4900=c^2
Square root of 4900 is 70
Answer:70
1764+3136=c^2
4900=c^2
Square root of 4900 is 70
Answer:70