SOLUTION: In the accompanying diagram, right triangle ABC has its right angle at C. The measure of BC is 20 and the measure of angle B is 42 degree. a)Find the measure of AC to the nearest

Algebra ->  Triangles -> SOLUTION: In the accompanying diagram, right triangle ABC has its right angle at C. The measure of BC is 20 and the measure of angle B is 42 degree. a)Find the measure of AC to the nearest       Log On


   



Question 198426: In the accompanying diagram, right triangle ABC has its right angle at C. The measure of BC is 20 and the measure of angle B is 42 degree.
a)Find the measure of AC to the nearest integer.
b)Find the measure of AB to the nearest integer.

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Tan=opp/adj
.900=opp/20 For angle B
opp=18 AC
.
a^2+b^2=c^2
18^2+20^2
=324+400
=724
sqrt(724)=27 AB
.
Ed