Sine Rule
a/Sine A = b/Sine B = c/Sine C

a is the length opposite Angle A
b is the length opposite Angle B
c is the length opposite Angle C

As the sum of the angles is 180
180 - 120 = 60
60/2 = 30 (The Other Angles)

3/Sine 30 = 6
Thefore, length = 6 * Sine 120
=5.196
QED

Ha ha! Sorry, stopped scrolling down at the diagram and now realise its been answered already, LOL!

There's more than one way to 'Skin a KittyKat!'

Carol Vorderman I am not- new challenge willbe set tomorrow lol

Try this one:

"The Dean's penis is larger than The Shed's by a factor of 2.4. Prove that The Dean is more popular with the ladies by a factor of 7.2."

I don't want to think about your penis thanks Dean

Think about The Shed's then........

..and just so you dont have to ask again, I have made this for you...

I love your Signature Line!

"Capitalisation is the difference between helping your Uncle Jack off a horse and helping your uncle jack off a horse"

It has gone into my 'Quotations File!'

thank you hunnybun

You are more than welcome...

Utterly astonishing really. IRRC you work in fashion but you must have someone who studied at…well GCSE level?

I actually have an a level in maths.... however I believe yoru brain only holds so much information and you get rid of the stuff you dont use to allow room for new stuff- so all my maths stuff has been deleted to amke room for remembering how to switch ona computer etc...

Political Correctness has probably led to Trigonometry being removed from the curriculum, in case the 'Geometrically Challenged' find it too competitive.