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If the angles of a triangle are in the ratio 1: 2: 3, find the angles. Classify the. (2)
triangle in two different ways.
class 7
If the angles of a triangle are in the ratio 1: 2: 3, find the angles. Classify the. (2)
triangle in two different ways.
class 7
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Let ABC be the DLet ∠A=x∠B=2x∠C=x∠A+∠B+∠C=1804x=180x=45∠A=45∠B=90∠C=45 .
Since ∠A=∠CABC is isosceles D 4 .
Since ∠B=90ABC is Right angled at B .
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Answer:
total angle of a triangle= 180°
let the unknown angles be x
1:2:3 = 180 = x+x+x
X = 60
60× 3 = 180
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