milkshakegrande101
10.06.2020 •
Mathematics
In ⊙H, Arc I K ≅ Arc J K, mArc I K = (11x + 2)°, and mArc J K = (12x – 7)°.
Circle H is shown. Line segments H I, H K, and H J are radii. Lines are drawn to connect points I and K, and points K and J to form congruent secants.
What is the measure of Arc I J K?
mArc I J K = °
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Ответ:
3a=9
Divide both sides by 3
3a/3=9/3
a= 3
I hope that's help !