How to Solve Angle Angle Angle Triangle Theorem

Definition:

Denoting three angles A, B, and C does not distinctively define a triangle, but any two triangles with the same angles are alike. While, specifying two angles of a triangle gives the third angle automatically, since the sum of angles in a triangle equals 18 degrees.

Example :

Find angle C from angle A=5^o and angle B=7^o

Given,

angle A = 5^o angle B = 7^o

To Find,

angle C

Solution:

Substitute the given values in the respective formula,

Step 1:

C = 18^o - 5^o - 7^o C = 18^o - 5^o - 7^o C = 6^o