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lara [203]
2 years ago
6

Find the area of the figure.7cm8cm11cmArea is ___ square cm?

Mathematics
2 answers:
Vlad [161]2 years ago
6 0

Answer:

616cm³

Step-by-step explanation:

you just need to multiply those numbers

7 x 8 x 11= 616

djverab [1.8K]2 years ago
4 0

\text{Perimeter of the  triangle,}\\\\ 2s = 7 + 8 +11 =26}\\\\\\\implies s = \dfrac{26}2 = 13\\\\\\\text{Apply Heron's formula to find the area of the triangle,}\\\\A = \sqrt{s(s-8)(s-7)(s-11)}\\\\\implies A = \sqrt{13(13-8)(13-7)(13-11)}\\\\\implies A = \sqrt{780} \\\\\implies A = 27.93~~ \text{cm}^2

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