Question

the perimeter of a triangle is 56 CM two sides of triangle are 18 cm and 14 cm find the length of third side

Answer 1

hi

let other side be x
given:

perimeter = 56 cm
first side = 18 cm
second side = 14 cm

perimeter = sum of all sides

56 = 18 + 14 + x

56 = 32 + x

56 - 32 = x

24 = x

x = 24


third side = 24 cm

$\bold{hope \: it \: helps}$

Answer 2

perimeter of triangle = sum of all sides
56 = 18+14+ third side
56 = 32+ third side
third side = 56-32
third side =24cm
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