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.

5+4+3=12. 72/12=6. 3(6)=18. 4(6)=24. 5(6)=30. area of right-angled triangle = 1/2 x b x h. 1/2 x 24 x 18= 1/2 x 24 x 9. 24x9 = 216.

RS
Answered by Rohan S. Maths tutor

2590 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve 2x^2-14x+12=0


solve 125^(1/3)*2^(-3)


There are 11 pens in a bag, 4 Green and 7 Blue. What is the probability of picking the same coloured pens?


Factorise and solve the quadratic equation x^2 + 6x + 8 = 0


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