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Could someone please help me solve this question? Thanks! (Click image to see question)

Could someone please help me solve this question? Thanks! (Click image to see question-example-1

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We will have the following:

*First: From properties of the rhombus the following is true:


m<1=m<6\Rightarrow m<1=65
m<2=m<6\Rightarrow m<2=65

*Second: We know that the sum of all internal angles of a quadrilateral add 360°, so the following is true:


2(m<1+m<2)+4(m<3+m<4)=360

So:


4(65)+4(m<3)=360

This, since from properties of the rhombus m<3 = m<4, now we wil have:


260+4(m<3)=360\Rightarrow4(m<3)=100
\Rightarrow m<3=25

Now, we will have the following:


m<3=25
m<4=25

And finally, we can see that the measurement of angle 5 is:


m<5=90

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