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Where did the short answers get to? the paper goes from section 1 to section 3

Can anyone do these questions????????? 1) Two circles intersect in A and B and the two tangents at A are perpendicular. Are the two tangents at B also perpendicular? Give proof. 2) Two circles intersect in A and B. At A tangents are drawn to each circle, cutting the circles at P and Q...

for sam davis' book, are there anywhere that you can get the answers other than the teachers handbook? because it seems a bit unfair having to buy another $90 book JUST to get the answers to the review questions.

Hi, I'm in year 11 starting the year 12 sdd course, i was just wondering if anyone knew any good sofware txt books/study guides/books with past papers....... or just had any comments on the ones they have/know about. Thanx.

for prelim exams, i went pretty well except for english.... math ext1 - 88% (highest 92%l) math 2u - 100%!!! eng(adv) - 22/45 (failed by half a mark :mad1: ) phys - 73% eco - 69/80 sdd - 79% (top mark!)

Thanks for that...... I had been trying to figure it out for quite a while. I totally suck at circle geometry.

Hi, I couldn't figure this question out. PQ, RS and LM are three parallel chords in a circle. Prove that triangle PRL is congruent to triangle QSM. Could someone show me how to do it? Note: Circle geometry is my worst topic - this is probably an easy question. Thanks.