Post a New Question


posted by on .

could someone please help.
given each set of data for ∆ABC:
a) solve for b given ∠B=88 degrees,a=31.5m,c=25.6cm
b) solve for a given ∠B=66 degrees,∠C=28 degrees,c=11.6cm
i) state whether the sine law or cosine law is required to solve the unknown value.
ii) use the law you selected in i) to solve for the unknown value, correct to one decimal place.

  • math - ,

    Use cosines law for SSS and SAS
    use sine law for others

    a) cosine law
    b) sine law

  • math - ,

    thank you

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question