SOLUTION: please help me Triangle ABC has a perimeter of 84cm, and the sides have a ratio of 3 : 5 : 6. From shortest to longest, the sides lengths of this triangle are Answer cm, An

Question 848523: please help me
Triangle ABC has a perimeter of 84cm, and the sides have a ratio of 3 : 5 : 6.
From shortest to longest, the sides lengths of this triangle are Answer cm, Answer cm and Answer cm long.
Is triangle ABC a right triangle?
If AC is the longest side, what is the largest angle? angle
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

3 : 5 : 6   ⇒  (3x + 5x + 6x) = 84   0r  14x = 84,   x = 6

From shortest to longest, the sides lengths of this triangle are: 18cm, 30cn, 36cm

Is triangle ABC a right triangle? NO   324 + 900 = 1224  ≠  1296

 If AC is the longest side, what is the largest angle? angle B 

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