bokangmakhalemele22 bokangmakhalemele22

09-04-2024
Mathematics

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QU 8.1 Complete the following statement. 8.2 The line drawn from the centre of a circle, perpendicular to a chord, ..... the chord. In the diagram below, two concentric circles with centre O are drawn. Chord BDE of the larger circle has a length of 24 cm and is a tangent to the smaller circle at D. The radius of the smaller circle is 5 cm. AB is the diameter of the larger circle. 5 cm A 2. 13. B D E 24 cm+ (1) 8.2.1 Calculate the length of OB. (4) 8.2.2 Write down the reason why Ê=90°. (1) 8.2.3 Calculate the length of AE. (3) 8.2.4 Calculate the length of AD. [11]

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