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spayn [35]
3 years ago
6

(PLEASE HURRY, WILL GIVE BRAINLIEST TO CORRECT PERSON)

Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0

Answer:

A. Reflection over the x-axis

Step-by-step explanation:

Tamiku [17]3 years ago
3 0
Reflection over the X axis
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This is known as the Pythagorean theorem.

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The answer:

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3 years ago
ative section 3. a) The angle of elevation of the top of a tree observed from a point 60 m away from its foot is 45. Find the he
Zigmanuir [339]

Answer:

The height of the tree is is 60m

Step-by-step explanation:

Let's answer a, as it is the only complete question.

We know that the angle of elevation of the top of a tree observed from a point 60m away, is 45°.

We can model this with a triangle rectangle, a sketch of it can be seen below (assuming that you are looking it from the ground).

You can see that the adjacent cathetus to the 45° angle is equal to 60m

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Now you can remember the trigonometric relation:

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So to find the height of the tree we need to solve:

tan(45°) = H/60m

This is just:

tan(45°)*60m = H  =60m

The height of the tree is is 60m

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3 years ago
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