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165 pagesrevision 46935
printed 116 · PDF 117
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Aitchison College Academic Resources.
NOT TO
SCALE
B
ABC isa scalene triangle on horizontal ground.
AYX is a straight vertical post, held in place by two straight wires YB and YC.
AC = 4.8m, BC = 5.6m and angle ACB = 20.4°.
(i) Calculate AB.
A A= Sh ebe- 25-6) (48) os204
AB = SU-y ~So-88
8 AB = 4.0!
@ Ng Ake 20
S6 UB nsmsisciiale ermine
(ii) Angle XBA = 64°.
Calculate AX. x
Ainble= AX
2.
—" A ee. 8
(ii) AY=2.9m.
Calculate the area of triangle YAC.
Pi
L (2-9 (u8)
| 2 6-46
A 48 = oe
43
116
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