In the diagram below, triangles PST PST\,PST and PRQ PRQ\,PRQ are similar, where ST ST\,ST is parallel to RQRQRQ.
PS:PR=1:5PS:PR = 1:5PS:PR=1:5 ST=7 cmST = 7\text{ cm}ST=7 cm PS=4 cmPS = 4\text{ cm}PS=4 cm
a.[2]
Calculate the length of RQRQRQ.
b.[2]
Calculate the length of SRSRSR.
Similar Shapes (Lengths) Questions
Practise Edexcel GCSE Maths Similar Shapes (Lengths) with exam-style questions for Foundation and Higher tier. 28 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.