REQUIRED TO FIND THE LENGTH, PQ AND THE AREA OF THE CIRCLE.
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- Опубліковано 26 сер 2024
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Make some constructions and label and join important points. Find the angles that will be use to solve the questions. Use Pythagora´s theorem to find required length PQ. By using the theorem that angle at center is twice that at the circumference of the circle, we get the center angle. Find the base length of the triangle that connect the two radius of the circle to form a triangle and finally use cosine rule to find the radius, R . Square the radius, R and multiply it with π to get the required area of the circle
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