Question

An exterior angle of a triangle is 130 degree and its two interior opposite angle are equal .Find each of these equal angles.​

Answer 1

Answer:

65°

Step-by-step explanation:

By the exterior property of Triangles, the sum of the other two angles will be equal to the exterior Angle.

Therefore,

Let the two angles be of x degree each

x°+x° = 130 ° = 2x°

x° = (130/2)°= 65°

The answer is 65°

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Answer 2

Answer:

Step-by-step explanation:

let the same angles be x

and the third angle be y

so, x+x=130  [exterior angle property]

2x=130

x=65

in the triangle

x+x+y=180  [angle sum property of the triangle]

65+65+y=180

130+y=180

y=50

=>the two equal angles aye of measure 65 degree and the third angle is of measure 50 degree

Hope it helpss......

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