annabelle04selph annabelle04selph

25-11-2020
Mathematics

contestada

c=40squared+35squared minus 2 times40 times 35cos(50)?
the answer to this is then square rooted but i cant figure it out

Respuesta :

MathPhys MathPhys

25-11-2020

Step-by-step explanation:

c² = 40² + 35² − 2(40)(35)cos(50)

c² = 1600 + 1225 − 2800 cos(50)

c² = 1025.195

c = 32.019

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