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3 years ago

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[[ ANSWER ASAP !!! ]] In parallelogram ABCD, what is the measure of y°?

2 answers:

zhenek [66]3 years ago

3 0

Answer:

<em>The </em><em>measure </em><em>of </em><em>y </em><em>is </em><em>6</em><em>5</em><em> </em>

<em>as </em><em>they </em><em>are </em><em>the </em><em>opposite </em><em>angles </em><em>of </em><em>parallelogram</em><em>. </em>

algol133 years ago

3 0

Y is 65
Parallelogram is ‘parallel’, y =65 , x=z

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2 years ago

Dada la ecuacion 25x2 + 4y2 = 100, determina las coordenadas de los vertices, focos, las longitudes de los respectivos ejes mayo

Likurg_2 [28]

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In a elipse, we have a major axis and a minor axis. In this case, the major axis is vertical and the minor axis is horizontal, that means this is a vertical elipse.

The length of the major axis is $2a=2(5)=10$ .

The length of the minor axis is $2b=2(2)=4$ .

The vertices are $(0,5);(0,-5)$ and $(2,0);(-2,0)$ .

Now, the main parameters of an elipse are related by

$a^{2}=b^{2} +c^{2}$ , which we are gonna use to find $c$ , the parameter of the focus.

$c=\sqrt{a^{2}-b^{2} }=\sqrt{25-4}=\sqrt{21}$

So, the coordinates of each focus are $(0,\sqrt{21})$ and $(0,-\sqrt{21})$

The eccentricity of a elipse is defined

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The latus rectum is defined

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Finally, the graph of the elipse is attached.

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