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
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hey mate here is your answer
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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
please mark me brainliest
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