Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve for a. Fill in the blank(s) to complete each step. If applicable, be sure to enter all decimal numbers with a zero in the ones place. Round your final answer to the nearest hundredth.

2

Question

Given b = 12, c = 15 and A = 60° in triangle ABC, use the Law of Cosines to solve for a. Fill in the blank(s) to complete each step. If applicable, be sure to enter all decimal numbers with a zero in the ones place. Round your final answer to the nearest hundredth.

2

Vocaloid · Answer

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

Not sure what steps you're asked to fill in, but plug in the numbers step by step and evaluate as asked. Make sure to round all decimals to two places and include the leading 0.