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Mathematics 22 Online
Nicole:

http://prntscr.com/ln87il

Nicole:

@Vocaloid

Nicole:

@Hero

Nicole:

@dude

dude:

The solution is where they intersect, if they don’t intersect then there is no solution

Nicole:

so its D

dude:

Yes

Nicole:

how about this http://prntscr.com/ln8bgf

563blackghost:

It states that the triangle is an isosceles triangle, meaning that it has two legs that are equal in length. \(\bf{b=h}\) You are give the area. So make your equation. \(\bf{\frac{1}{2}b\times b =200}\) \(\large\bf{\frac{2b}{2}=200}\) What does \(\bf{b}\) equal?

563blackghost:

@Nicole

Nicole:

b is 200

Nicole:

correct? @563blackghost

563blackghost:

A=AREA I didnt see that. So you would plug in the area in the equation. \(\large\bf{d=\sqrt{4A} \rightarrow \sqrt{4(200)}}\) What does that simplify to? i apologize for my mistake v.v

Nicole:

so do I solve that

563blackghost:

yes

Nicole:

I cannot solve that tho

563blackghost:

Mmm yes you can. \(\large\bf{\sqrt{4(200)}}\) Multiply first. \(\bf{\sqrt{800}}\) Now split the number into two different terms (one being a square). \(\bf{400 \times 2 =800}\) \(\bf{\sqrt{400}=20}\) \(\large\bf{\sqrt{400\times 2}}\) square out the 400. \(\large\bf{20\sqrt{2}}\)

Nicole:

Hmm ohhh okay got it

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