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HI I'd like to ask help for these two questions
HI I'd like to ask help for these two questions
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**** AD∩BC=E *** ** *** in * AB lie ** * **** ** can *** CD||AB
** *************** **** are ********* ******** ****** *** ********** ** *** *** ***** ** **** ******* known that ****** then *******
So ******************************
5c
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**** **** ** is * ******** **** so ******************* (PSQ *** ** *** same **** ** these *** angles∠PSQ+∠QSR=180°) ****
** *** know ************* thus x=18° Plug
x into ∠PST=3x-30=3*18°-30=24°≠90° **
****** ****************** *** ****** doesn't **** the *********** ** PR is *** ************* ** *