SOLUTION: Determine the largest angle in any triangle ABC with sides a=7, b=18 and angle A= 20 degrees

Question 450006: Determine the largest angle in any triangle ABC with sides a=7, b=18 and angle A= 20 degrees

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Determine the largest angle in any triangle ABC with sides a=7, b=18 and angle A= 20 degrees
---
sin(B)/18 = sin(20)/7
---
sin(B) = 18[sin(20)/7]
---
sin(B) = 0.8795
---
B = sin^-1(0.8795) = 61.58 degrees.
---
So C = 180-(20+61.58) = 98.42 degrees (largest angle)
=======================
Cheers,
Stan H.
RELATED QUESTIONS
In triangle ABC, angle A=55 degrees,angle B=75 degrees.Arrange the sides of triangle ABC... (answered by solver91311)

Draw triangle ABC. Label angle A 30 degrees, angle B 70 degrees and angle C 80 degrees.... (answered by mananth)

Triangles ABC and PQR are two different triangles. Angle measure A is 100degrees,angle B... (answered by ikleyn)

Two sides of an angle are given. Determine whether the given information results in one... (answered by jsmallt9)

suppose that in triangle ABC, angle A is 20 degrees and angle B is 70 degrees. What is... (answered by jim_thompson5910)

In triangle ABC, if angle A = 51 degrees and angle B = 73 degrees, what is the measure of (answered by Alan3354)

in a triangle, the sides measure 3,5, and 7 what is the measure, in degrees of the... (answered by Theo)

In triangle ABC, measure angle A=5x, measure angle B =4x+30,and measure angle C= 80-2x.... (answered by ilana)

In triangle ABC, the measurement of angle A equals 2x + 10, measurement of angle B =... (answered by josgarithmetic)