The side of a triangle is 8 , 11 and 13 what is it’s area
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Answer:
you can apply herons formula
Step-by-step explanation:
step 1 we find s = 1/2 (8+11+13) = 16
step2 (s-a) = (16-8)= 8
(s-b) = (16- 11) = 5
(s-c) = ( 16-13) = 3
third step =. in under root
√ s(s-a)(s-b)(s-c)
√ 16 ×8×5×3
on factor inside root
√ 2×2×2×2 ×2×2×2 ×5 ×3
2×2×2 √2× 5×3
8√30
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