Maths / Triangles / Calculating Perimeter of Triangle

QUESTION
 

The perimeter of a triangle is 24 cm. Two of its sides are 8 cm and 9 cm. Find the length of its third side

EXPLANATION
Explain TypeExplanation Content
Text

Let the third side be x

x + 8 + 9 = 24

x + 17 = 24

x = 24 - 17 = 7cm

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