Construct a triangle ABC having perimeter 12 cm and angles in the ratio 3:4:5.

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

 

Let the angles of the given triangle be 3x, 4x and 5x
Then, 3x + 4x + 5x = 180o
Therefore, x = 15
Hence the angles are 45o, 60o and 75o
 
Steps of construction.
 
 

Answered by  | 4th Jun, 2014, 03:23: PM