A wooden pole was broken by wind .before it broke the total height of the pole above the ground was 25m.after it broke .the top of the pole touched the ground 15m from a base .how tall the part of the pole that was left standing
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Step-by-step explanation:
total height above the ground =25m
pole touched ground= 15m away from ground
this can be considered as a right angle triangle
where the hypotenuse is 25 cm and the base is 15 cm
using pythagoras therom
a^2+b^2=c^2
a^2+15^2=25^2
a^2+225=625
a^2= 625-225
a^2=400
a=2
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Answer:
Height = 25m
Base = 15m
BY PYTHAGORAS THEOREM
H^2 = P^2 + B^2
25^2 = P^2 + 15^2
625 = P^2 + 225
625-225 = P^2
400 = P^2
20cm = P
Height of tall part = 25-20cm
=5cm
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