Answer:
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Step-by-step explanation:
Answer:3.79
Step-by-step by awnser:
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suppose 4:4:7 be 4x, 4x, 7x
or, 15x = 180°
or, X = 180/15
or, X = 12
therefore,
4x = 4x12= 48
4x= 4x12= 48
7x= 7x12= 84
so if you plus all of them you get 180
c^2 = a^2 + b^2. Hope this helps!
