Question

Two sides of a triangle are 27cm and 40cm. The perimeter of the triangle is 89cm. what is the third side?​

Answer 1

Let the other side of triangle be = X

Total Perimeter = 89 CM

Hence, X + 27 + 40 = 89

X = 22 cm

THE THIRD SIDE IS 22 CM!

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Answer 2

Answer:

22cm

Step-by-step explanation:

perimeter of triangle = s + s + s

89 = 27 + 40 + x

x = 89 - 67

x = 22

Hence , third side of the triangle is 22cm