a) angle a=18.9 degrees, side a=33.66 and side c=15.06

b) angle a=20.9 degrees, side a=13.06 and side c=33.66

c) angle a=18.9 degrees, side a=35.66 and side c=13.06

d) angle a=20.9 degrees, side a=15.06 and side c=35.66

- Thread starter ksteve
- Start date

a) angle a=18.9 degrees, side a=33.66 and side c=15.06

b) angle a=20.9 degrees, side a=13.06 and side c=33.66

c) angle a=18.9 degrees, side a=35.66 and side c=13.06

d) angle a=20.9 degrees, side a=15.06 and side c=35.66

- Joined
- Feb 4, 2004

- Messages
- 15,946

What law(s) have you tried? How far have you gotten? Where are you stuck?

Thank you.

Eliz.

Since all three angles of any triangle add to 180, the first thing i can find is angle A. Angle A = 180 - (angle B + angle C)

Next, i am given both angle B and angle C, and i know side b, so i can use those ratios to find side c.

side b = side c

------ -------

angle B angle C

Finally, i used a different pair of ratios to find side a.

therefore, is the correct answer choice b?

The procedure outlined is correct. What answer(s) did you get for angle A and sides a and c? Then we'll be able to say if you are right or not.ksteve said:

Since all three angles of any triangle add to 180, the first thing i can find is angle A. Angle A = 180 - (angle B + angle C)

Next, i am given both angle B and angle C, and i know side b, so i can use those ratios to find side c.

side b = side c

------ -------

angle B angle C

Finally, i used a different pair of ratios to find side a.

therefore, is the correct answer choice b?