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AB and CD are parallel.EGHF is a straight line.HCF= 46° and HFC = 32°.

(i) Find cttr. := I ~O -

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(ii) Find cno.

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(iii) Find HGB.

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(i) Show that triangles ABC and EDC are similar.Give your reasons.

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(b) A, B, D and E are points on a circle.

AD and BE intersect at C.

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Given that AC = 5 ern, BC = 5.5 em and CE = 2 em, find the length of the chordAa L 2 .

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5Q.20 .

.A. . ·········~···:·1500····· D..... ......

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AD and BC are arcs of circles with centre O.A is a point on OB, and D is a point on OC.OA = 20cm and AB = 25 ern.ADD = 150°.

(a) Calculate the perimeter of the haded shape ABCD.0..'" t~

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(c) The shapeABCD is used to make a lampshade by joiningAB and DC.

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Calculate the radius, rem, 9{ the circular top of the lampsha e.. (\.(~\N"-rtv.tA1 t- ';. L ~~ C¥-'c.

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