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ipn [44]
3 years ago
14

X = a) 90 b) 135 c) 270

Mathematics
2 answers:
Serga [27]3 years ago
5 0
If the outer arc is x, the inner arc is 360 - x

90 = \frac{1}{2}( x - (360 - x) )

90 = \frac{1}{2}( x - 360 + x )

90 = \frac{1}{2}( 2x - 360)

180 = 2x - 360

2x = 360 + 180

2x = 540

x = 270
emmasim [6.3K]3 years ago
4 0

Answer: 270

Step-by-step explanation: Just finished lesson.

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