When the sun is 30^@ above the horizon, shadow of one tree is 17.3 m long What is the height of this tree ?

When the sun is 30^@ above the horizon, shadow of one tree is 17.3 m l

1.	When the sun is 30^@ above the horizon, shadow of one tree is 17.3 m long What is the height of this tree ?
Answer» <html><body><p>20 m<br/>17.30 m<br/><a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a> m<br/>1.73 m</p>Solution :From trigonometry <a href="https://interviewquestions.tuteehub.com/tag/tan-1238781" style="font-weight:bold;" target="_blank" title="Click to know more about TAN">TAN</a> `30^@="height of free <a href="https://interviewquestions.tuteehub.com/tag/ab-360636" style="font-weight:bold;" target="_blank" title="Click to know more about AB">AB</a>"/"BC"` <br/> `therefore` Height of tree , `AB= tan 30^@ BC=1/sqrt3xx17.3` <br/> =10 cm<br/> <img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/NDA_14Y_GEO_C19_E01_203_S01.png" width="80%"/></body></html>