Respuesta :

shammiritu45

Answer:

41

Step-by-step explanation:

This is the formula

a^2 + b^2 = c^2

35^2 + 21^2 = 1666

√1666 = 40.81...

Maybe you can estimate it to 41.

arj1ta

answer:

a = 28 millimeters

step-by-step explanation:

  • since this is a right triangle, we can use the pythagorean theorem
  • a^2 + b^2 = c^2

a^2 + 21^2 = 35^2

a^2 + 441 = 1225

a^2 = 784

a = 28 millimeters