Question

,The perimeter of a triangle is 50 cm.Two of its sides measure 13.7 cm and 15.9 cm.Find the length of its third side​

Answer 1

Answer:

20.4 is the answer

Explanation:

Answer 2

Answer:

Answer is 20.4

Explanation:

perimeter of a triangle is equal to sum of all sides.Let the third side be 'x'

Then,

P = 13.7 +15.9+'x'.

50=29.6 + 'x'

therefore,

x = 50-29.6

x = 20.4

HOPE IT HELPS!!