Recap activity #11 with the Circle Theorems on one page.
(Prompted by original pile-up ideas from others on Pythagoras, Trigonometry - and Circle Theorems.)
This puzzle is the eleventh in a series of consolidation exercises/angle chases on the topic of Circle Theorems.
All of the Circle Theorems are present with “two radii and a chord make an isosceles triangle” and “a radius that is perpendicular to a chord divides the chord into two equal parts” in there too. However, this exercise may be of particular use for revising Cyclic Quadrilaterals and ‘the angle at the centre…’.
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Great puzzles! How are these answers?
a = 26, b = 32, c = 102, d = 52, e = 47, f = 47, g = 47, h = 31, i = 24, j = 66
keyboardmonkey
10 months ago
Hi, kazal. Sorry I've only just picked this up. I came here because TES Admin wanted me to remove a hyperlink to Mr Barton Maths from my resource 14. I'm a bit busy right now - and I've lost the original files - so I won't have time to download and check your working. I have plenty of later resources with answers - and I doubt I'll ever get back to updating these older ones. Thanks again for all of your five-star ratings. Cheers - 'keyboardmonkey'.
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I started to put the answers in to a PowerPoint slide for my most recent puzzles - and my most popular ones. It does take a fair old time to include the answers in the way I’ve chosen. I’ll do this one next - but it may take a while. Sorry. There are ten other Circle Theorems puzzles with answers - https://www.tes.com/resources/search/?authorId=180332&sortBy=newest - thanks for the five stars for this one :)
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