Question

ACD
the angles of a triangle ABC are in the ratio 2: 3:4, find the measures of the angles A, B, and C​

Answer 1

Explanation:

given ,

2:3:4

then,

measurement of all exterior angle is 180degrees

so,

2x + 3x +4x = 180

180x = 2+3+4

180x=9

x = 9/180

20=x

so,

2x × 20 = 40

3x × 20 = 60

4x × 20 = 80

so the measure is 40⁰ 60⁰ and 80⁰ respectively

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