Finding the geometric tangent of a circle can be hard when you are unaware of the correct method to find it. Therefore, we have elucidated the ways to find the geometric tangent of a circle for your convenience. Look at the picture given below.
From the picture above, you can understand that the PT is the tangent that is touching the circle at the point P. and OP is the radius of the circle O. It is also evident that the tangent is perpendicular to the radius of the circle at the point of tangency. Therefore, if PT is the tangent, OP is perpendicular to PT. And now if we assign units to the radius (OP) and the tangent (PT) with 3 and 4 units respectively, we can find the length of the OT (the point of tangency). Because the radius is perpendicular to the tangent, OP is perpendicular to PT, making the point P a right angle in the triangle OPT. This makes the triangle OPT a right angled-triangle. Now, we can use the Pythagorean theorem to find OT. (OP)^2 + (PT)^2 = (OT)^2. So, 3^2 + 4^2 = (OT) ^2. 9+16= (OT) ^2. 25 = (OT) ^2. +/-5= OT. So, the length of OT is 5 units. In case, you have any confusion regarding the way we have used to find the tangent of a circle, you can get in touch with the mathematicians of MyAssignmenthelp.com. Click the button below to contact them.
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