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sarah110128
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prove that a+ b= y for the angles given in the figure.
 one year ago
 one year ago
sarah110128 Group Title
prove that a+ b= y for the angles given in the figure.
 one year ago
 one year ago

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sarah110128 Group TitleBest ResponseYou've already chosen the best response.1
dw:1358143521967:dw
 one year ago

sarah110128 Group TitleBest ResponseYou've already chosen the best response.1
side ab, bc, cd, de are equal
 one year ago

matricked Group TitleBest ResponseYou've already chosen the best response.1
is the triangle a rtangled one at D
 one year ago

Compassionate Group TitleBest ResponseYou've already chosen the best response.0
Gut abreit!
 one year ago

matricked Group TitleBest ResponseYou've already chosen the best response.1
let DE= ab=bc= cd=x tany =1 tana=DE/DA =1/3and tanb=DE/DB=1/2 now tan(a+b) =(1/3 +1/2)/( 1 (1/3)(1/2))= (1/2+1/3)/(11/6) =(5/6)/(5/6)=1 thus tan(a+b)=1 but tany=1 hence tan(a+b)=tany thus a+b=y
 one year ago

matricked Group TitleBest ResponseYou've already chosen the best response.1
hope it helps u
 one year ago

personperson99 Group TitleBest ResponseYou've already chosen the best response.0
could have just exterior angles
 one year ago

sarah110128 Group TitleBest ResponseYou've already chosen the best response.1
Thank Youu! It was helpful :)
 one year ago

matricked Group TitleBest ResponseYou've already chosen the best response.1
the other way to solve is to complete the rectangle with sides as AD and DE and draw the inner squares and then use elementary geometrical properties
 one year ago

matricked Group TitleBest ResponseYou've already chosen the best response.1
welcome dear
 one year ago
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