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Mathematics 12 Online
bill533:

Which of the other triangles is similar to ΔABC? https://prnt.sc/lhlkcx A. https://prnt.sc/lhll1q B. https://prnt.sc/lhll7x C. None of these D. https://prnt.sc/lhllt7

silvernight269:

Can u put up an actual picture?

bill533:

that's it

bill533:

@silvernight269

bill533:

@563blackghost

jhonyy9:

bill do you know how many is the sum of angles of a triangle ?

bill533:

2

jhonyy9:

how many degrees is the sum of angles of a triangle ?

jhonyy9:

AP do you know ?

bill533:

180

jhonyy9:

yes exactly so us this in triangle ABC given angle A has 30 degrees and angle C has 50 degrees so 3rd how many need have ?

jhonyy9:

courage this is easy

jhonyy9:

180-(30+50) = ?

jhonyy9:

IN CASE OF WHAT FIGURE TRIANGLE YOU SEE THIS RESULT ?

AP:

You can easily eliminate B.) And D.) As they would not add up to 180 degrees with respect to being similar to triangle ABC

bill533:

100

jhonyy9:

yes 100 degrees has the 3rd angle so in case of what figured triangle you see that given with 100 degrees an other knowed 30 or 50 degrees measure angle ?

jhonyy9:

triangle DEF can being ?

jhonyy9:

or triangle MNP can being ?

jhonyy9:

no bc. has 110 degrees and 95 degrees angle

jhonyy9:

so what is right ?

jhonyy9:

triangle GHJ do you understand it why ?

jhonyy9:

AP this is clearly ?

AP:

A.) Easily lol

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