Two angles

The triangles ABC and A'B'C 'are similar. In the ABC triangle, the two angles are 25° and 65°. Explain why in the triangle A'B'C 'is the sum of two angles of 90 degrees.

Final Answer:

x =  90 °

Step-by-step explanation:

A=25  B=65  C=180(A+B)=180(25+65)=90   x=A+B=25+65=90



Help us improve the example. If you find a mistake, let us know. Thank you!







Tips for related online calculators
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:

geometryplanimetricsUnits of physical quantitiesGrade of the word problem

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: