Year 12s: what will be the first way you research your future options? >>

maths-perimeter

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Reply 20

KaylaB

Original post by Alexion

PRSOM

Reply 21

Zacken

Original post by ckfeister

Oh look, its that crybaby from " Improve my grades " about his lazy background thinking it was hell.

Aye, guess you really are illiterate. It's not called "Improve my grades", the quotation marks are making you look quite stupid. Not that it wasn't already blindingly obvious.

Reply 22

ckfeister

Original post by Zacken

Aye, guess you really are illiterate. It's not called "Improve my grades", the quotation marks are making you look quite stupid. Not that it wasn't already blindingly obvious.

Oh, I'm the stupid one... At least I accept it if I have problems.

Reply 23

Zacken

Original post by ckfeister

Oh, I'm the stupid one...

Yep.

Reply 24

neharajput

Original post by Zacken

Why do you want to multiply everything by pi to get rid of it?

We have

r(2+\pi) = 16\pi \iff r = \frac{16\pi}{2+\pi}

, ta-da...

ohhhh I didn't realise I should factorise one side to make it simple, thank you both for your help :smile:

i understand the question now and would remember to follow through these steps in similar equations :smile:

Reply 25

ckfeister

Original post by Zacken

Yep.

Go and accept your problems and fix them... then call me stupid.

Reply 26

Student403

Original post by neharajput

ohhhh I didn't realise I should factorise one side to make it simple, thank you both for your help :smile:

i understand the question now and would remember to follow through these steps in similar equations :smile:

Welcome

Remember in maths it's not always about "learning the steps" - try to understand what you've just done and that way you'll be able to apply your knowledge to this and other situations which might not be obviously similar