Question #186a7
1 Answer
Nov 25, 2017
Explanation:
#"this is a right triangle, assuming a right angle"#
#"between the wall and the ground"#
#"ladder "-=" hypotenuse"#
#"distance from base "-=" adjacent"#
#"let "theta" be the angle between ground and ladder"#
#rArrcostheta="adjacent"/"hypotenuse"=25/36#
#rArrtheta=cos^-1(25/36)=46^@#
