How do you find the length of the diagonal of a rectangle of 5cm by 12cm?

Draw the rectangle and put on the measurements Draw on the diagonal Find the right angled triangle Pythagoras tells us a2+b2=c2 where c is the longest side which is what we are trying to find So 122+52=c2 c2=169 c=square root of 169 which = 13

MS
Answered by Matthew S. Maths tutor

2839 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Bob buys a car for £120 after it is reduced by 20% in the sale. What was the original price of the car?


The equation of the line L1 is y = 3x – 2 The equation of the line L2 is 3y – 9x + 5 = 0 Show that these two lines are parallel.


n is an integer such that 3n + 2 ≤ 14, and 6n/(n^2 + 5) >1. Find all possible values of n.


Factorise x^2 −x−12


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences