addison62
13.01.2021 •
Mathematics
Need help this id due in a hour!!
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Ответ:
67
Step-by-step explanation:
angles on a straight line add up to 180 degrees
so 180 - 127= 53 to get the angle on the bottom left.
60 + 53 = 113
angles in a triangle add up to 180 degrees so 180-113= 67
to double check you should add
60+53+67 if you get 180 then its correct!
hope it helps :)
Ответ:
PART A: | PQ | = 2 √ 2; | P'Q' | = √2..thus scale factor of 2
PART B : change ( x , y ) to (-x , y)..not hard
PART C : similar Yes , congruent No...what does "congruent " mean ?