Show that triangle ABC is right-angled where A = (-2,-1), B = (2,1) and C = (1,3).
View Ans4(a) Find the equation of a line which passes through the point A(-3, 4) and which is parallel to the line 3x + 4y - 15=0.
View Ans4(b) The points P, Q and R are (5, —3), (-6, I) and (1, 8) respectively. Show that these points form an isosceles triangle.
View Ans(b). Find the point of intersection of the lines x ? 2y = ?5 and 2x + 7y ? 34 = 0
View Ans(b) Find the equation of the line passing passing through the midpoint of the points A(− 3 2, ) and B(1,− )4 and which is perpendicular to line AB .
View Ans(b) Find the equation of the line passing at point (6, 2) and it is perpendicular to the line that crosses the x-axis at 3 and the y-axis at 4.
View AnsLet P and Q be two points at (2,5) and (4, -1) respectively. Find
(i)Find equation of the line that passes through the midpoint of PQ and is perpendicular to it in form of ax + by +c=0
(ii)The distance between P and Q
View Ans(ii) Find the length of a line segment joining the points (3,-2) and (15,3) .
View Ans