3 years ago

How many dimensions does a point have

Mathematics

1 answer:

Rzqust [24]3 years ago

3 0

A point has zero dimensions

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What is the length of the altitude of the equilateral triangle below?

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The length of the altitude is $3\sqrt{3}$ units

<u>EXPLANATION</u>

The altitude of a triangle is the vertical height of the triangle.

From the diagram the altitude is $a$

Method 1: We can use Pythagoras theorem to find $a$

$6^2=a^2+3^2$

$6^2-3^2=a^2$

$36-9=a^2$

$27=a^2$

We take the square root of both sides,

$\sqrt{27}=a$

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Method 2 Using Trigonometry

$sin(60\degree)=\frac{a}{6}$

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3 years ago

Read 2 more answers