The measures of the angles of ABC are in the ratio 1:3:5 what are the measures of the angles?
1 answer:
The measurement of angles are: 20°, 60° and 100°
Step-by-step explanation:
Let x be the first angle
Then according to the ratio
1:3:5
The angles will be x,3x,5x
We know that the sum of interior angles of a triangle is 180 degrees
So,
Dividing both sides by 9
The angles are:
First angle = x = 20°
Second angle = 3x = 3*20 = 60°
Third angle = 5x = 5*20 = 100°
Hence,
The measurement of angles are: 20°, 60° and 100°
Keywords: Sum of angles, triangles
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