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September 30, 2014

September 30, 2014

Posted by **deborah** on Thursday, March 25, 2010 at 11:05am.

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 -
**Reiny**, Thursday, March 25, 2010 at 11:21amUse cosines law for SSS and SAS

use sine law for others

a) cosine law

b) sine law

- math -
**deborah**, Thursday, March 25, 2010 at 12:47pmthank you

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