A decorative pennant is an isosceles triangle with a base of 14 cm and two equal sides of 20 cm.
Calculate the perpendicular height of the pennant.
Give your answer correct to 3 significant figures.
Practise Edexcel GCSE Maths Pythagoras with exam-style questions for Foundation and Higher tier. 55 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.