Latoyajenjins1789
16.07.2019 •
Mathematics
What is the value of a + b? 145 135 110 125
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Ответ:
b° = 1/2[360 - (110 + 90)]
b° = 1/2(160)
b° = 80°
a° + b° = 45° + 80° = 135°
Answer
135°
Ответ:
n/18=5/9
9n=5(18)
9n=90
n=10