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Sagot :
Answer:
123
Step-by-step explanation:
supplementary angles add up to 180
(5x - 22) + (x + 28) = 180
5x - 22 + x + 28 = 180
6x + 6 = 180
6x = 180 - 6
6x = 174
x = 174/6
x = 29
<A = 5x - 22 = 5(29) - 22 = 123
Supplementary angles add up to 180
∠A+ ∠B=180
put the values
5x-22+x+28=180
6x+6=180
6x=180-6
6x=174
x=174/6
x=29
put the value of x in ∠A
5x-22
5(29)-22
145-22
123
Therefore ∠A is 123
∠A+ ∠B=180
put the values
5x-22+x+28=180
6x+6=180
6x=180-6
6x=174
x=174/6
x=29
put the value of x in ∠A
5x-22
5(29)-22
145-22
123
Therefore ∠A is 123
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