Page 276 - MATHEMATICS COURSE FOR SECONDARY SCHOOLS BOOK 2
P. 276
(d) Plot the points X(2, 7 )and Y(9, 2) on graph paper, then complete a right-angled triangle indicating the movement from X to Y.
y
8 7
6 5
4 3
2 1
0
X
7
-5
Y
From the graph.
XY= ( 7 ) -5
x
1 2 3 4 5 6 7 8 9 10
270
MN =( 7 ) -5
XY = √ 74 units
