Question

use hero formula to calculate area of triangle whose are ab 6 cm bc 8cm ac 12cm​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Heron's formula

Area of triangle = √s(s-a)(s-b)(s-c)

s (semi-perimeter) = a+b+c / 2 = 6+8+12/2 = 26/2 = 13 cm

Area of triangle = √13(13-6)(13-8)(13-12)

= √13×7×5×1

= √455

= 21.33cm²