Cosines someone me. include an explanation and a clear answer

The formula for the law of cosines is:

a^2 = b^2 + c^2 - 2*b*c*cos(angle)

In this triangle b = 7, c = 8 and angle = 32.

a^2 = 7^2 + 8^2 - 2*7*8*cos(32)

a^2 = 18.018

a = SQRT(18.018)

a = 4.24

C = 4.2 feet.

answer: do you still need this?

answer: 48

just remember to use pemdas:

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