Question 1134077
A Parallelogram: 

->Opposite sides are parallel
	
->Opposite sides are equal in length

->Opposite angles are equal (angles "a" are the same, and angles "b" are the same)
-> Angles "{{{A}}}" and "{{{B}}}" add up to {{{180}}}°, so they are supplementary angles.


{{{m}}} < {{{A= 3x}}} and {{{m}}} < {{{B= 4x+10}}}

than {{{3x+4x+10=180}}}

{{{7x=180-10}}}

{{{7x=170}}}

{{{x=170/7}}}


{{{m}}} < {{{A= 3(170/7)=72.86}}}


{{{A=C}}}=>{{{m}}} < {{{C=72.86}}}


 {{{m}}} < {{{B= 4(170/7)+10=107.14}}}


{{{B=D}}} {{{m}}} < {{{D= 4(170/7)+10=107.14}}}