Find the radius of the circle in the given figure
Автор: Easy Learning
Загружено: 2026-03-05
Просмотров: 13
Описание: Two squares of side 10 cms is placed side by side touching each other. The top corner of one square is joined to the bottom corner of the other square. A circle is drawn inside the right triangle so formed with two sides and the diagonal as 3 tangents to the circle. We are asked to find the radius of the circle. To solve this we are using the concepts (i) radius is perpendicular to the tangent at the point of contact. (ii) tangent lengths from an external point to a circle are equal. (iii) Pythagoras theorem to find the length of the diagonal joining the two squares. (iv) diagonal length is also equal to the sum of the tangent lengths. Equating (iii) and (iv) condition we find the radius of the circle. To understand the method clearly see the video completely.
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