Question

Without using Heron’s formula calculate area of scalene triangle having sides 20 cm , 12 cm and 16 cm

Answer 1

Step-by-step explanation:

Solution is given in above pic

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Answer 2

Answer:

the ans is below please tell if it helped

Step-by-step explanation:

The area of a scalene triangle with base b and height h is given by 1/2 bh. If you know the lengths of all three sides, you can calculate area using Heron's Formula without having to find the height

without herons formula you cannot find area if height is not given

semi perimeter= a+b+c/2

                            =12+16+20/2

                            = 48/2

                             =24

area of triangle=√S(S−a)(S−b)(S−c)sq.units

                           =√24(24-12)(24-16(24-20)

                          =√24*12*8*4

                          =√9216

                          = 96 cm sq.