two poles of height a meter and b meter are p meter apart. prove that the height of the point of intersect N of the joining the top of each pole to the foot of the opposite pole is ab÷a+b
priyasanajanyani:
Where did you get this question from ?
from ncert 11 class book
Lord we have this in 10th geometry
Answers
Answered by
15
Answer:
Hope you understand
Step-by-step explanation:
Attachments:
Answered by
3
height of the point of intersection = ab/(a + b)
Step-by-step explanation:
ΔCOL ≈ ΔCBA
h/a = x/(x + y)
ΔAOL ≈ ΔADC
h/b = y/(x + y)
adding both
h/a + h/b = x/(x + y) +y/(x + y)
=> (bh + ah)/ab = (x + y)/(x + y)
=> h(a + b)/ab = 1
=> h = ab/(a + b)
QED
Similar triangle concept is used
learn more:
two poles 15m and 30m high stand up right in a play ground.if their ...
https://brainly.in/question/1987523
Two vertical poles of length a and b subtend the same angle 45° at a ...
https://brainly.in/question/9083280
Attachments:
Similar questions