Two sides of a triangle are 3 cm and 4 cm. Its perimeter is 12 cm. find the third sideof the triangle About the author Adalynn
Let the third side be x. side + side + side = Perimeter => 3 + 4 + x = 12 => 7 + x = 12 => x = 12 / 7 => x = 1.71 cm Reply
Let the third side be x.
side + side + side = Perimeter
=> 3 + 4 + x = 12
=> 7 + x = 12
=> x = 12 / 7
=> x = 1.71 cm
Hence, The third side of triangle is 5cm.09-Mar-2021