Question

ঘূৰ্ণনৰ কেন্দ্ৰটো লিখা
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Answer 1

Answer:

Find the center of rotation. To begin, take the three segments that connect pre-image points to their image points (in this case, line AA', line BB', and line CC'). In all rotations, the center of rotation lies at the intersection of the perpendicular bisectors of such segments.

Sorry couldn't answer in Bengali.

Hope its useful.