Can you please please please please please Please help me

3 sqrt(21)

Step-by-step explanation:

wow this problem is gross!
making the triangle,

you need to use the law of cosines! searching "law of cosines" online should help a lot!

c^2 = a^2 + b^2 − 2ab cos(C)

you know C = 60 degrees (from 12 pm to 2pm!)

a = 12 cm and b = 15 cm

plug it into the equation and you get

c = 3 * sqrt(21) = 13.748

√70

Step-by-step explanation:

15^2=12^2 + x^2

225= 155 + x^2

X= √70

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step-by-step explanation:

the answer is c 150

step-by-step explanation: