If a right angled triangle has its longest side 7cm and another side is 4cm then how long is the other side of the triangle? Show your working

Right angle means use Pythagorus:
a2 + b2 = c2
thereforea2 = c2 - b2 = 72 - 42 = 49-16 = 33
so a= root 33a= 5.74 (2dp)

JC
Answered by Jayan C. Maths tutor

2653 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Show that AB is not parallel to CD.


Factorise and solve the quadratic : 3x^2 + 15x +18 = 0


Consider a right-angled triangle with an inside angle of 30° and a hypotenuse of 8cm. Calculate the length of the opposite side to the 30° angle.


Factorize x³-x


We're here to help

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

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning