O Level Maths D P2 Question 11
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Transcript of O Level Maths D P2 Question 11
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11 (a)D.
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B is the midpoint of OD and E is the midpoint of OA.C is the point on AB such that'AC: CB = 2 : 1.--7 --7 ~ __
OA = P and OB = q. ----'
(i) Find, in terms of p and q,--7 .:» r-?
(a) AB, ~~ 01> ~ ~'.". ~ '1-'(
Answer [1]
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(ii) Use your answers to parts (i) (b) and (i)(c). to make two statements about thepoints E, C and D. '
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l.!.UCLES 2012 4029/02/01N1I2
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25(b)
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The diagram shows triangle A and line L... ,(i) Triangle A is mapped onto triangle B by a reflection in line L.
Draw and label triangle B.
(ii) Triangle A is mapped onto triangle C by an anticlockwise rotation of 90°,centre (0,3).
Draw and label triangle C.
(iii) Triangle C is mapped onto triangle D by a reflection in line L.rI
Describe the single transformation that maps triangle B onto triangle D.
Answer I..~:.\:.'3 s L<0.(.,~.~.0Z 0?.~ . £. ..........q ~ c.(? ~ \.<?..1.?-z2 ..: [3]
l!.UCLES 2012 4029/02/0/N/12
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