Question

2. In ∆LMN, 1= 5, m= 12, n = 13, state whether ALMN is a right angled triangle on not?​

Answer 1

Step-by-step explanation:

here l^2+m^2=n^2

l^2=5*5=25

m^2=12*12=144

n^2=13*13=169

25+144=169

so LMN is right angled triangle