two angle of a triangle are in the ratio 4 : 5 the sum of the angle is equal to third angle find the angle of the triangle
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3
Step-by-step explanation:
4x + 5x + x = 180
10x = 180
x = 18
First angle = 4 × 18 = 72°
Second angle = 5 × 18 = 90°
Third angle = 1x = 18°
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1
Answer:
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4x+5x+x=180
10x=180
x=180/10
x=18
Step-by-step explanation:
ur answer is 18
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