Two equal sides of an isosceles triangle is 13 cm, and the area is 60 cm 2 . find the perimeterof the triangle ?
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two sides of isosceles ∆ is (a)= 13 cm
Area=60 cm2
find length of base(b):-
using formula,
Area=(b/4)×√(4a^2 - b^2)
then use perimeter formula,
P=perimeter
P=2a+b
Area=60 cm2
find length of base(b):-
using formula,
Area=(b/4)×√(4a^2 - b^2)
then use perimeter formula,
P=perimeter
P=2a+b
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