1. When one side and angle are known, we can use _ and create a right angled triangle . 2. The incentre _ lies inside the triangles. 3. In an acute angled triangle, the circumcentre lies _ the triangle
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Circumcenter of a triangle is formed by joining the perpendicular bisectors of three sides of triangle.
As we draw perpendicular bisectors of three sides, they will intersect at one point(say O) which lies inside the circle.
From that point of intersection, draw a circle touching each of the vertex of a triangle and we get a circumcircle. And O becomes centre of the circle.
Hence, circumcenter lies inside the triangle.
Step-by-step explanation:
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