Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

A vertical lamp-post of height 9 metres stands at the corner of a rectangular field. The angle of elevation of its top from the farthest corner is ,while from another corner it is . The area of the field isA vertical lamp-post of height 9 metres stands at the corner of a rectangular field. The angle of elevation of its top from the farthest corner is ,while from another corner it is . The area of the field is
question image
Asked by bhartiankita2002 | 04 Jul, 2020, 12:22: PM
answered-by-expert Expert Answer
T h e space l e n g t h space o f space t h e space s i d e space f r o m space w h i c h space t h e space a n g l e space i s space 45 to the power of 0 space i s space
tan 45 to the power of 0 equals 9 over y
y equals 9 m
T h e space l e n g t h space o f space t h e space s i d e space f r o m space w h i c h space t h e space a n g l e space i s space 30 to the power of 0 space i s
tan 30 to the power of 0 equals 9 over x
fraction numerator 1 over denominator square root of 3 end fraction equals 9 over x
x equals 9 square root of 3
A r e a space o f space t h e space f i e l d space equals x cross times y
equals 9 square root of 3 cross times 9 equals 81 square root of 3 m
Answered by Utkarsh Lokhande | 04 Jul, 2020, 11:03: PM
CBSE 12-science - Physics
Asked by rp978841 | 08 May, 2024, 09:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by ankush76728 | 05 May, 2024, 09:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by parallelpie595 | 04 May, 2024, 06:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by heymindurownbusiness | 04 May, 2024, 11:15: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by talulu | 01 May, 2024, 05:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by kanishkg511 | 30 Apr, 2024, 07:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sahoobanita89 | 30 Apr, 2024, 05:10: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by divakar.9124 | 27 Apr, 2024, 10:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by panneer1766 | 24 Apr, 2024, 01:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×