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irinina [24]
3 years ago
13

A tree broken at a height of 5 cm from the ground and it's top touches the ground at a distance of 12 m from base of the tree fi

nd the original height of the tree

Mathematics
2 answers:
Harrizon [31]3 years ago
6 0

Answer:

The original height of tree is 18 m.

Step-by-step explanation:

Consider the correct question is "A tree is broken at the height of 5m from the ground and its top touches the ground at a distance of 12m from the Base of the tree. Find the original height of the tree."

A tree is broken at the height of 5m from the ground.

Let the height of the tree is (x+5) m.

After broken, it will form a right angle triangle with hypotenuse x, base 12m and perpendicular 5 m.

Using Pythagoras theorem,

hypotenuse^2=base^2+perpendicular^2

x^2=12^2+5^2

x^2=144+25

x^2=169

Taking square root on both sides.

x=13

Height of tree = x+5=13+5=18\text{ m}

Hence, the height of tree is 18 m.

jekas [21]3 years ago
3 0

Answer:

18 cm.

Step-by-step explanation:

Please find the attachment.

Let ABC be the height of tree and tree is broken at point B such that top A touches the ground.

Now, we will use Pythagoras theorem to solve for length AB as AB is hypotenuse of right triangle.

AB^2=BC^2+AC^2

AB^2=5^2+12^2

AB^2=25+144

AB^2=169

Now, we will take positive square root of both sides as:

\sqrt{AB^2}=\sqrt{169}

AB=13

The total length of the tree would be AB+BC\Rightarrow 13+5 =18.

Therefore, the original height of the tree was 18 cm.

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