E Exp Member Joined Sep 27, 2017 Messages 50 Location depths of the ocean Gender Male HSC 2018 Mar 22, 2018 #1 This was from a Syd Grammar trial: https://imgur.com/v2BEDHL ..don't know where to start.
HeroWise Active Member Joined Dec 8, 2017 Messages 353 Gender Male HSC 2020 Mar 22, 2018 #2 Its 140 C because the angle at the centre of the circle is double the angle at the circumference standing in the same arc Last edited: Mar 22, 2018
Its 140 C because the angle at the centre of the circle is double the angle at the circumference standing in the same arc
E Exp Member Joined Sep 27, 2017 Messages 50 Location depths of the ocean Gender Male HSC 2018 Mar 22, 2018 #3 if that's the case, I think you mean 145 degrees (B) thanks!
HeroWise Active Member Joined Dec 8, 2017 Messages 353 Gender Male HSC 2020 Mar 28, 2018 #4 Yeah mb 360-70= 290/2 = 145
R Roy G Biv Member Joined Oct 23, 2011 Messages 85 Gender Male HSC N/A Mar 30, 2018 #5 That's a very common question/trick Angle at the centre is twice angle at the circumference - for both sides of the angle at the centre! If that makes sense.
That's a very common question/trick Angle at the centre is twice angle at the circumference - for both sides of the angle at the centre! If that makes sense.
Angle at the centre is twice angle at the circumference - for both sides of the angle at the centre! If that makes sense.