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November 27, 2014

Homework Help: can xome1 help me plzz im stuck

Posted by hii on Sunday, September 16, 2007 at 5:43pm.

HELP PLZZ...A circle has radius 2 cm,(in that circle there is a traingle ABO)

O is the centre of the circle.

the chord AB has length 3 cm. .
BO is 2cm
AO is 2cm

(i) Show that AOB is 1.696 radians (to three decimal places).

(ii) Hence find the area of the (smaller) sector AOB.

(iii) Find the area of the triangle AOB.

(iv) Hence find the (smaller) area enclosed between the chord AB and the circle

(v) Express both the area of the sector and the area from part (a)(iv) as percentages of the area of the circle.

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