Question

a park is in the shape of an isosceles triangle with equal side of 70 m . If the other side of the park meseaures 90 m , find the length of boundary wall required to be build around the park


i beg you to answer correctly the i know the answer but i need the procegure
the answer is 230 m

Answer 1

Answer:

230 m   ............as u know

Step-by-step explanation:

isosceles  triangle means that they two equal sides , hope u know this.

given -

equal side = 70

unequal side  = 90

∴ boundary = 70+70+90 .............as two sides are same

                    = 230

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Answer 2

Answer:

230m

Step-by-step explanation:

Let the equal sides be x

let the third side be y

let the perimeter be p

2x + y = p

=> 2 x 70m + 90 = p

=> 140m + 90 = p

=> 230m = p or p = 230m

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