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3. Consider the diagram below.
580
435
с
b
Determine the values of a, b, and c.


3 Consider The Diagram Below 580 435 С B Determine The Values Of A B And C class=

Sagot :

Answer:

a = 664.5

b = 502.3

c = 767.3

Step-by-step explanation:

Well, there are a couple of theorems that will help us do this problem

1.  Given a right triangle and altitude to the hypotenuse, then the altitude is the mean proportion between the segments of the hypotenuse.  That means in your problem that

[tex]\frac{435}{b} = \frac{b}{580}[/tex]    

[tex]b^{2} = 435(580) = 252300\\b = \sqrt{252300} \\b = 502.3[/tex]

2.  A leg of the triangle is the mean proportional between the hypotenuse and the segment adjacent to the leg.  That means in your problem that

[tex]\frac{(435 + 580)}{c} = \frac{c}{580} \\c^{2} = 1015(580) = 588700\\c = \sqrt{588700} \\c = 767.3[/tex]

[tex]\frac{1015}{a} = \frac{a}{435} \\a^{2} = 1015(435) = 441525\\a = \sqrt{441525} \\a = 664.5[/tex]

See how easy it is if you know the theorems.  

You could check your results by substituting a and  into [tex]a^{2} + c^{2}[/tex] and see if you get get the square of the hypotenuse