Respuesta :
Answer:29
Step-by-step explanation:
If you memorize these like me, you would know its 29. Otherwise, just use the pythagorean theorem, 20^2 +21^2 =841
sqrt(841) = 29.
Answer:29
Step-by-step explanation:
If you memorize these like me, you would know its 29. Otherwise, just use the pythagorean theorem, 20^2 +21^2 =841
sqrt(841) = 29.
