Question

(iv)
Find the slope of the lines whose inclinations de
(i) 30°
(ii) 45°
)
(iii) 60°,
9. Find the inclination of the lines whose slopes are given below.
(iv)-1.
1
(1)
(ii) I.
(iii) 13,
10.
Find the angle between the pair of lines whose slopes are;
(1)
(ii) V3, -1.
11. (a) Show that the points (0, 1), (2, 3), (6, 7) and (8, 3) are vertices of a rectangle,
(b) Show that the points (1, 1), (-1,-1) and (-13, 13) are the vertices of an equilater
triangle
12. Find the co-ordinates of the point P(x, y) which is equidistant from (0, 0), (32, 10) a
(42,0)
If the points (x,y) are equidistant from the points (a + b, b - a) and (a - b, a + b), pro
that bx = av.
14. The co-ordinates of the vertices of a triangle are («,, B.), (0., B.) and (0.,, B,). Provet
al + a2 + az
the co-ordinates of its centroid are
+ 03 B1 +82 + B3
3
3
13.
1
B
5. Two vertices of a triangle arc (0,4) and (6, 0). If the medians meet at the neint ?​

Answer 1

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