Question

1.Find the area

of the triangle two sides of which are 18cm and 10 cm and the perimeter is 40 cm?
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Answer 1

Answer:

plz check if proper answer or not

Answer 2

yes very easy

then the third side is 40 -18 +10 =12 then it is scalen triangle then u know the formula of then put these value u get that answer is 80√3