Question

* The area of a triangle whose sides are 8 cm, 15 cm and 19 cm is
(a) 91/19 cm (6) 6191 cm2 (c) 19191 cm (d) 8191 cm2
А A
OB В
С​

Answer 1

Answer:

6 ×√91 cm² ( The options given are wrong )

Step-by-step explanation:

By Heron's Formula ,

Area of Triangle(when all three sides are included and height is not given) = √s(s-a)(s-b)(s-c)

Here ,

s = semi perimeter = perimeter of triangle/ 2

a ,b and c are the different sides of the triangle

∴ s = a+b+c/2 = 8+15+19/2

                       = 42/2

                       = 21

∴ Area of triangle = √s(s-a)(s-b)(s-c)

                             = √21(21-8)(21-15)(21-19)

                            = √21 × 13 ×6 × 2

                             = √3×7×13×2×3×2

                            = 6√91 cm²

Hope this helps you

Answer 2

Answer:

answer is equal to 6√19cm squar make me a brainlist