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ABC and ACD are triangles.
k is a constant.
B
ka
A
3b
C
8a+ 7b
D
a) Work out CD
8a+4b
(1)
b) BCD is a straight line.
Work out the value of k.
You must show your working. (3)
+
Total marks: 4

ABC and ACD are triangles k is a constant B ka A 3b C 8a 7b D a Work out CD 8a4b 1 b BCD is a straight line Work out the value of k You must show your working 3 class=


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