1 Answer

Zoska · Answer 1 · 2024-06-22T12:29:04+0000

Answer: 100

Step by step:

1. you want to find the outside part of the circle. we know that

arc QR = 120

arc RS = 140

120 + 140 = 260

a whole circle is 360

So you want to subtract to find the missing angle

360- 260 = 100

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