Math, asked by ruchitajauhari, 7 months ago

find the area of an isoceles triangle if 2 sides of a isoceles triangle are 13 cm and it's perimeter is 36cm .....solve and explain​

Answers

Answered by teena3387
1

Answer:

hey mate here is your answer

Attachments:
Answered by singh06subhashini
1

Answer:

area=10√2cm² or 14.142cm²

Step-by-step explanation:

in the triangle,two sides=13cm

perimeter=36cm

third side = 36-(13+13)

                =36-26

                10cm

now, using herons formula,(s=p/2)(p is the perimeter so s=36/2=18)

area=√(s-a) (s-b) (s-c)

       =√(18-10) (18-13) (18-13)

       =√8×5×5

       =√200

       =10√2cm² or 14.1421cm²

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