If a right angled-triangle has sides A,B,C where A = 4 and B = 3 what is the value of side C?

This problem can be solved using Pythagoras Theorem equation: A2 + B2= C2 (see diagram for explanation)
Substitute the numbers given in the question into this equation:(4)2+ (3)2 = C2Expand out the brackets:16 + 9 = C225 = C2To find the final value of C do square root.
C= 5

Answered by Gina W. Maths tutor

2684 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Work out the equation of the tangent to a circle of centre [0,0] at the point [4,3]


What is the cosine rule?


A circle with diameter 6cm is cut from a square with side length 7cm. What is the remaining area of the square? You may assume pi = 3 for this question.


factorise x^2 - x - 6


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences