tag:blogger.com,1999:blog-4242439961617529545.post5828341846718423184..comments2019-02-22T18:40:55.446+00:00Comments on Resourceaholic: 5 Maths Gems #54Joanne Morgannoreply@blogger.comBlogger3125tag:blogger.com,1999:blog-4242439961617529545.post-61648945160218664462016-04-20T21:30:00.699+01:002016-04-20T21:30:00.699+01:00I get 23 degrees for that angle, not 117. This is ...I get 23 degrees for that angle, not 117. This is a really nice example of the 'ambiguous case' for the Sine Rule. There are two possible solutions for the other angle in the triangle (43 or 137). It is obtuse so must be the latter.Joanne Morganhttps://www.blogger.com/profile/11919801458664779971noreply@blogger.comtag:blogger.com,1999:blog-4242439961617529545.post-26611407771345881092016-04-20T14:31:16.978+01:002016-04-20T14:31:16.978+01:00Hello, I came across the Sine / Cosine rule activi...Hello, I came across the Sine / Cosine rule activity in this post. I don't think it is correct. I started with the triangle on the left and the angle between sides with lengths 10 and 5 comes out at 117 degrees which is obviously too large as it is part of a right-angle.Marchttps://www.blogger.com/profile/11948371384865763493noreply@blogger.comtag:blogger.com,1999:blog-4242439961617529545.post-53884999083440026642016-04-07T10:41:10.853+01:002016-04-07T10:41:10.853+01:00A true gem Jo! Thank you for sharing these wonderf...A true gem Jo! Thank you for sharing these wonderful resources. I love the 100 questions and the poster problems. The Foundation revision booklet is my first lesson back planned!! Enjoy the last couple of days of the holiday :)Anonymousnoreply@blogger.com