CBSE Class 6 Answered
An isosceles triangle has equal sides of 18 cm each. Find the third side if the perimeter of triangle is 50 cm.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Let the isosceles triangle be ABC, in which AB = AC = 18 cm. Also perimeter is given 50 cm, we need to find BC.
Perimeter of triangle = 50 cm
AB + AC + BC = 50 cm
18 + 18 + x = 50 cm
36 + x = 50 cm
x = 50 - 36
x = 14 cm.
Therefore, length of third side is 14 cm.
Perimeter of triangle = 50 cm
AB + AC + BC = 50 cm
18 + 18 + x = 50 cm
36 + x = 50 cm
x = 50 - 36
x = 14 cm.
Therefore, length of third side is 14 cm.
Answered by | 04 Jun, 2014, 03:23: PM
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