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Grade: 8
        
Side of triangle is in the ratio 3:4:5.Find the measure of greatest angle.
4 years ago

Answers : (2)

arvind
39 Points
							
90
take all the sides in the ratio- 3x,4x,5x
it follows that (5x)^2 = (4x)^2 + (3x)^2
so it follows the pythagoras theorem so largest angle is 90
4 years ago
A M S ARUN KRISHNA
216 Points
							
900
according to pythagoraus theorem
(AC)2 = (AB)2 + (BC)2
(5x)2 = (3x)2 + (4x)
25x= 9x2 + 16x2
25x= 25x2
so it follows pythagoraus theorem 
so it must be a right angle and the largest angle of the triangle is 900
4 years ago
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