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Draw an obtuse angled Δ LMN. Draw its altitudes and denote the orthocentre by ‘O’. |
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Answer» In order to draw an obtuse angled TRIANGLE first of all we have to take an ARBITRARY obtuse angle at the one END of the straight line and on the other end we have to draw an acute angle. After extending those TWO angles we will get a third interior angle which will be acute. In order to draw the orthocenter of obtuse angle we have to find the point of intersection of the three altitudes of the triangle. The most important point to be noted is in case of an obtuse angle triangle the orthocenter lies outside the triangle. |
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