Answer:
x =52
Step-by-step explanation:
bith angels together make 180° so 180-128=52
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Answer:
the answer is 36
Step-by-step explanation:
beacuse if we use the pythagorean theorem for 9 and 12 we get 15 which means that the perimeter is P=9+15+12=36
I forgot about this one!! I lbew but I lost it!! Sorry :(