Math questions.IGCSE

[Fatima18]

Hey guys......Can anyone explain and demonstrate how to do number 5 of this question please.Thank you!http://www.xtremepapers.com/papers/CIE/Cambridge IGCSE/Mathematics (0580)/0580_w08_qp_02.pdf

 

[CaptainDanger]

Check the attached image here : Mathematics: Post your doubts here!

 

[Kieran]

From what i understand you rotate the square like in the attached GIF. Then use a compass with the center point B (bottom right corner of original shape) and put the pencil end at D. Then rotate the compass clockwise until it meets D'.