Question

find the area of right angled triangle whose hypotenuse is 1.3m and altitude is 1.2m

Answer 1

0.5 is the answer to your question

Answer 2

H^2=P^2+B^2
1.3^2=1.2+B^2
1.69=1.44+B^2
0.25=B^2
B=0.5

The area of triangle =1/2*base*altitude
=1/2*0.5*1.2
0.6×0.5
=0.30


Thanks