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webbbiee
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Find the values of a and b. The diagram is not to scale.
Nurali
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a+36=180 solve for a = 144
b+113=180 solve for b = 67.
ajprincess
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|dw:1367518988559:dw|
since AB//DC
angles <B and <C are allied angles.
<B+<C=180
113+b=180.
since AB//DC
angles <A and <D are allied angles.
<A+<D=180
a+36=180.
ajprincess
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Does that help? @webbbiee
webbbiee
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yes thank you so much (: that's exactly wanted I needed
ajprincess
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Welcome:) glad that helped:)
webbbiee
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(:
webbbiee
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can you help me with this one ?
LM is the midsegment of trapezoid ABCD. If AB = 46 and DC = 125, what is LM?
webbbiee
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im confused
ajprincess
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Really sorry. have to leave nw.:(
Nurali
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"The mid-segment of a trapezoid is the segment that joins the midpoints of the non-parallel sides. Its length m is equal to the average of the lengths of the bases of the trapezoid"
so LM=(46+125)/2=85.5
webbbiee
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ok @ajprincess
webbbiee
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I have to show my work @Nurali