Respuesta :

keencar18

Pythagorean theorem. A^2+B^2=C^2.

So 12^2+16^2=c^2

144+256=c^2

400=c^2

square root of 400=c

So C=20

Hit the heart if it was helpful :D

KillowPeak

Step-by-step explanation:

Write what you know

Pythagorean theorum

a^2 + b^2 = c^2

rearrange and solve for c

sqrt(a^2 + b^2) = c

plug and chug