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CBSE Class 9 Answered

Construct a triangle ABC having perimeter 12 cm and angles in the ratio 3:4:5.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert 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 | 04 Jun, 2014, 03:23: PM

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