Math Problem Statement

Find the angle of X using these numbers provided from a triangle. Angle C = X Angle B = 38 Side BC = 110 Side AB = 130

Solution

To find the angle XX in a triangle where you know two angles and two side lengths, you can use the Law of Sines, or if necessary, the Law of Cosines. In this scenario, let's start with the information provided:

  • Angle B=38B = 38^\circ
  • Side BC=110BC = 110
  • Side AB=130AB = 130

To find angle CC (which is XX), we can use the Law of Sines if there is enough information about angle A or the other side.

However, since we're missing one angle and either the side opposite it or the angle opposite the given side (requiring all opposite pairs for the Law of Sines), we'll use the more versatile Law of Cosines instead, which states for side aa opposite angle AA:

c2=a2+b22abcos(C),c^2 = a^2 + b^2 - 2ab \cdot \cos(C),

where a=BC=110a = BC = 110, b=AB=130b = AB = 130, and C=XC = X.

If caca were known or given as part of the triangle information, calculations would differ, yet we're going to solve based on differing interpretations of data given no third side provided by formula modifications.

C WAS supposed to be determined on more parameters, missing weights would correct in real gauges away.C \text { WAS supposed to be determined on more parameters, missing weights would correct in real gauges away.} In cases where one angle adheres adjacently amusingly less more conditions.

You cannot completely resolve without at least one more value (often needing side AC or the degree of angle A).

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Law of Cosines
Law of Sines

Formulas

Law of Cosines: c^2 = a^2 + b^2 - 2ab * cos(C)
Law of Sines: (sin(A) / a) = (sin(B) / b) = (sin(C) / c)

Theorems

Law of Cosines
Law of Sines

Suitable Grade Level

Grades 10-12