A tree breaks due to storm and the broken part bends so that the top of tree touches the ground making an angle 30° with it The distance b/w the foot of the tree to the point where the top touches the ground is 8m . find the height of the tree
Answers
Answer:
24/√3
Step-by-step explanation:
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- Let the Height of the Tree =AB+AD
- Let the Height of the Tree =AB+ADand given that BD=8 m
- Let the Height of the Tree =AB+ADand given that BD=8 mNow, when it breaks a part of it will remain perpendicular to the ground (AB) and remaining part (AD) will make an angle of 30o
Let the Height of the Tree =AB+ADand given that BD=8 mNow, when it breaks a part of it will remain perpendicular to the ground (AB) and remaining part (AD) will make an angle of 30oNow, in △ABD
Let the Height of the Tree =AB+ADand given that BD=8 mNow, when it breaks a part of it will remain perpendicular to the ground (AB) and remaining part (AD) will make an angle of 30oNow, in △ABDcos30o=ADBD⇒BD=23AD⇒AD=32×8
Let the Height of the Tree =AB+ADand given that BD=8 mNow, when it breaks a part of it will remain perpendicular to the ground (AB) and remaining part (AD) will make an angle of 30oNow, in △ABDcos30o=ADBD⇒BD=23AD⇒AD=32×8also, in the same Triangle
Let the Height of the Tree =AB+ADand given that BD=8 mNow, when it breaks a part of it will remain perpendicular to the ground (AB) and remaining part (AD) will make an angle of 30oNow, in △ABDcos30o=ADBD⇒BD=23AD⇒AD=32×8also, in the same Triangletan30o=BDAB⇒AB=38
Let the Height of the Tree =AB+ADand given that BD=8 mNow, when it breaks a part of it will remain perpendicular to the ground (AB) and remaining part (AD) will make an angle of 30oNow, in △ABDcos30o=ADBD⇒BD=23AD⇒AD=32×8also, in the same Triangletan30o=BDAB⇒AB=38∴ Height of tree =AB+AD=(316+38)m=3