The perimeter of an isosceles triangle is 125 cm. If the base is 33 cm, find the length of the equal sides.
Answer & explanation
Correct answer: option 2
The perimeter of an isosceles triangle = 125 cm
And the base = 33 cm
We know that the perimeter of a isosceles triangle =
P = (2a + b)
Where,
P = Perimeter,
a = Two equal sides,
b = Base
Let the length of the each sides be a cm
P = (2a + b)
= 125 = (2a + 33)
= (125 – 33) = 2a
= 2a = 92
= a = 46