Solve for X, Y, and Z: Triangle Geometry with Given Angles 25°, 72°, and 105°

Calculate the values of x, y, and z.

z25yx72105

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Step-by-step video solution

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00:00 Find angles Y,X,Z
00:05 Sum of angles in a triangle equals 180
00:09 Group terms and isolate Z
00:29 This is the value of angle Z
00:35 Supplementary angle to straight angle (180)
00:45 Isolate angle Y
00:53 This is the value of angle Y
01:01 Sum of angles in a triangle equals 180
01:08 Group terms and isolate X
01:25 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Calculate the values of x, y, and z.

z25yx72105

2

Step-by-step solution

Angle Y complements 180 and we can calculate it since we know the adjacent angle.

Let's calculate it as follows:

180105=75 180-105=75

Now that we found angle Y, we can calculate angle X since we have the other two angles in the same triangle: 72 and 75.

1807572=33 180-75-72=33

We can calculate angle Z since we have two angles in the triangle: 25 and 105

The sum of angles in a triangle is 180, so we'll calculate Z as follows:

18010525=50 180-105-25=50

3

Final Answer

x = 33, y = 75, z = 50

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Indicates which angle is greater

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