yjudon37
29.07.2020 •
Mathematics
Please help Find: ∠x ∠a ∠b
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Ответ:
9514 1404 393
x = 22
a = 88°
b = 92°
Step-by-step explanation:
The angles marked with x-expressions are same-side interior angles, so are supplementary.
5x -18 +3x +22 = 180
8x +4 = 180
8x = 176
x = 22
Then the other marked angles are ...
a = 3x +22 = 3(22) +22 = 88 . . . degrees
b = 5x -18 = 5(22) -18 = 92 . . . degrees
Ответ:
6.50
Step-by-step explanation: Math.com - World of Math Online