Question

26m long ladder leans to a wall is making 30°angle on the earth.find the height that where. it touches the wall ??

Answer 1

sin 30 =p/h
1/2=p/26
p=26/2
p =13

Answer 2

P/H=sin∆
P/26=sin30°
P/26=1/2
P=26/2
P=13m