The law of cosines states that:
c^2=a^2+b^2-2abcosC
You already have all the values for the variables with the exception of x so:
x^2=25+100-100cos60
x=√(125-100cos60)
x=√75
x≈8.66 to nearest one-hundredth...
Answer:
2.15
Step-by-step explanation:
I worked out the problem use calculator yo double check
Add all the missing sides to make it a rectangle then divide by 2
