Question

The sides of a triangle are 21,29,20cm.Show that it is a right angled triangle. ​

Answer 1

Answer:

THE TRIANGLE IS A RIGHT ANGLE TRIANGLE.

Step-by-step explanation:

${29}^{2} = 841 \\ \\ {21}^{2} + {20}^{2} = 441 + 400 = 841 \\ \\ then \: \: \: \: {26}^{2} = {21}^{2} + {20}^{2} \\ \\ hence \: it \: is \: a \: right \: angled \: triangle.$