1.

Someone help me plssss

Answer»

Answer:

(sqrt)455

Step-by-step explanation:

by HERON's FORMULA

8+6+12/2

26/2

13

(sqrt)13(13-8)(13-6)(13-12)

(sqrt)(13×5+7×1)

(sqrt)455cm^2 is the AREA

from 180 u can subtract the angle VALUE by adding in area u got the answer thank u

I don't know the final answer but I do as much as I can sry



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