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Scilla [17]
3 years ago
11

In a triangle the first angle is greater than the second angle by 18 degree and less than the third angle by 10 grade. Express a

ll the angles in grade.
Mathematics
1 answer:
serg [7]3 years ago
8 0

Answer:

The 3 angles are 62 2/3, 44 2/.3 and 72 2/3 degrees.

Step-by-step explanation:

let x be the first angle then the  the second angle is  x - 18 and the third angle = x + 10

The 3 angles add up to 180 so:

x + x - 18 + x + 10 = 180

3x = 180 + 18 - 10 = 188

x = 188/3 = 62 2/3 degrees.

x - 18 = 44 2/3

x + 10 = 72 2/3.

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