Question

If the perimeter of the triangle is . find the value of 20/ 3 cm and the lenths of two sides are 5/2 cm and 10/3 .Find the lenth of three side.​

Answer 1

perimeter of triangle is 20/3 cm

perimeter = a + b + c

a = 5/2

b = 10/3

20/3 = 5/2 + 10/3 + c

20/3 =( 15 + 20 )/ 6   + c

20/3 = 35/6 + c

c = 20/3 - 35/6

c = (40 - 35)/ 6

c = 5/6  cm

therefore the length of sides are a= 5/2 cm

                                                         b = 10/3 cm

                                                         c = 5/6 cm

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