The perimeter of a right-angled triangle is 72 cm. The lengths of its sides are in the ratio 3 : 4 : 5 Work out the area of the triangle.

3+4+5=12
72/12=6
36= 18 46=24 56=30
Area of a right-angled triangle= a
b/2
18240.5= 216

SK
Answered by Saif K. Maths tutor

2706 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Find the equation of a straight line given two of its points (1,3) and (-2,5). Write your answer in the form y = mx + c.


5y + 1 = 3y + 13


√ 5(√ 8 + √ 2) Can be written as "a√ 10". What is the value of a?


3/5 of a number is 162. what is the number?


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