Question

A tree stands vertically on the ground. From a point on the ground which is 20m away from the foot of the tower, the distance of the top of the tree is found to 29 m Find the height of the tree​

Answer 1

• Answer:
• By using Pythagoras theorem :
• Base =20 m
• hypotenuse= 29 m
• we have to find out the perpendicular

Step-by-step explanation:

h^2=b^2+p^2

p^2 = h^2 - b^2

= (29)^2- (20)^2

=841-400

= 441

= 21^2

p^2=21^2

p=21 m

the height of the tree is 21 m .

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Answer 2

Answer:

Step-by-step explanation:

Here, AB is the height of a tower.

⇒ CB=20m

⇒ Now, tan60

∴ AB=20 √3m

∴ Height of a tower is 20 √3m