Question

Find the area of a triangle when 3sides of its 10cm,12cm,and 18cm?

Answer 1

Answer:

Step-by-step explanation:

using herons formula

10+12+18=40

semiperemeter =p/2

=40/2

20

using formula

underroot s(S-a)(s-b)(s-c)

20(20-10)(20-12)(20-18)

20(10)(8)(2)

5*2*2*5*2*2*2*2*2

5*2*2*2  2

40root2

(all are in the root )

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