- Download PDF
1 Answer | Add Yours
Given triangle ABC with AB=`sqrt(7)` ,AC=4 and BC=6 find the measure of angle B:
Use the law of cosines: `c^2=a^2+b^2-2abcosC`
The angle has measure of approximately 20.4 degrees.
We’ve answered 324,787 questions. We can answer yours, too.Ask a question