Find the length of the longest side in this triangle.

Diagram of triangle with a right angleTwo sides on the right angle = a & b
a2 + b2 = c2
Therefore, if a = 5 and b = 12: then c = 13.

CM
Answered by Colette M. Maths tutor

3324 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Triangle ABC has perimeter 20 cm. AB = 7 cm. BC = 4 cm. By calculation, deduce whether triangle ABC is a right-angled triangle.


A and B are on the line 3x+2y=6. At A x=0, what is y? At B y=0, what is x?


If a rectangle has area 48cm2 and sides length 6cm and (3x+2)cm, what is the value of x?


Find the value of 5x - 3y when x = -2 and y = -4


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:

© 2026 by IXL Learning