zeezee46
27.06.2019 •
Mathematics
∠a and ∠b are vertical angles. ∠a = 65x − 12 and ∠b = 43x + 10 how many degrees are in ∠a?
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Ответ:
53 degrees
Step-by-step explanation:
Vertical angles are congruent so...
65x-12=43x+10
22x=22
x=1
Then add it into the equation of ∠A
m∠A= 65(1)-12
65-12
53
Ответ:
martial addition
Step-by-step explanation:
ghhfgjfcg
1 2 3 4 5 6 7 8 9 10
this is a type of martion addition