Find the perimeter of an isosceles triangle whose base is 9cm and the side is 6cm.
| April 28, 2021 | education
The triangle is isosceles, hence the lengths of the sides are equal.
Since the perimeter of the triangle is equal to the sum of its three sides, we need to add the lengths of the sides to the length of the base.
P = 9 + 6 + 6 = 21 cm.
Answer: The perimeter of the triangle is 21 cm.
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