HELP
In the given diagram, A=120, B=30,C=30. If a=3, find the value of b and c.
PLZ
Given:
A = 120
B = 30
C = 30
a = 3
To find:
b
c
Solution:
b = 2
c = 2
Explanation:
The sum of the angles in a triangle is always 180 degrees. Therefore, we can write the following equation:
A + B + C = 180
Substituting the known values into the equation, we get:
120 + 30 + 30 = 180
180 = 180
Since the sum of the angles in a triangle is always 180 degrees, we know that the given triangle is a valid triangle.
We are also given that a = 3. This means that the side opposite angle A is 3 units long. We can use this information to find the values of b and c.
b:
The ratio between the opposite side and the adjacent side in angle B is equal to the ratio between the opposite side and the adjacent side in angle A. Therefore, we can write the following equation:
(b/3) = (2/3)
Solving for b, we get:
b = 2
c:
The ratio between the opposite side and the adjacent side in angle C is equal to the ratio between the opposite side and the adjacent side in angle A. Therefore, we can write the following equation:
(c/3) = (2/3)
Solving for c, we get:
c = 2
Therefore, the values of b and c are 2 and 2, respectively.
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