Question

Find the angle if the triangle is equilateral.....

Answer 1

Step-by-step explanation:

We know,

we can say that the sides touching the circle are its tangent.

Therefore,

Angle subtended at the centre by the radius at the centre and by the tangents is supplementary.

i. e, 60 degrees + theta = 180 degree.

therefore,

theta = 120 degrees

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Answer 2

Answer:

? = 120

Step-by-step explanation:

Angle subtended at the centre by the radius at the centre and by the tangents is supplementary.

=> ? + 60 = 180

=> ? = 180 - 60

=> ? = 120

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