constructing the altitude of a triangle





Altitude
Recall a perpendicular drawn from a vertex of a triangle to the opposite side of a triangle. In D ABC, AD is drawn perpendicular to BC. Draw a triangle PQR. Draw perpendiculars (altitudes) from P, Q and R to the opposite sides. The three altitudes..
Altitude
In a triangle, the perpendicular from a vertex to the opposite side is called the Altitude. In ABC of the following figure, AD is the altitude. Three altitudes always meet at a point called Orthocentre of the triangle. In Fig.(i): AD, BE, CF a..
Construction - 13
Construction - 13 - To construct an isosceles when altitude CD to the base AB is 2 cm and the vertical angle C = 90 o (1) Take any straight line XY and at any point D on it, draw cutting off DC = 2 cm. Join DC. (2) At C, on either side of DC, construct angles..
In an acute angled triangle altitudes lie
In an acute angled triangle altitudes lie => both inside as well as outside the triangle or outside the triangle or inside the triangle or on the vertex of the largest angle..
Name the point of concurrency of the altitudes of a triangle.
Name the point of concurrency of the altitudes of a triangle. => circumcenter or orthocenter or centroid or incenter..
In what type of triangle at least one median coincides with an altitud..
In what type of triangle at least one median coincides with an altitude? => either isosceles or equilateral or isosceles or equilateral or right angled..
Simple Construction Summary
Summary - Construction of an angle equal to a given angle. Bisecting an angle To construct angles 60 o , 120 o and 30 o . To construct angles 90 o , 45 o and 135 o . To construct angles 75 o and 105 o . Drawing the perpendicular bisector of line segment AB. h..
Find the point of intersection of the altitudes of the triangle shown.
Find the point of intersection of the altitudes of the triangle shown. => (0.5, - 0.5) or (0, - 0.5) or (- 0.5, 0) or (0, 0)..
Construction - 11
Construction of Triangles..
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