Solve for r. K= 2r-35
2 answers:
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Answer:
- 22°
Step-by-step explanation:
<em>Refer to picture</em>
Added angles a and b as interior angles of same triangle with angle x to make solving simple.
Angle a is same as 42° since both angles intercept same arc AB.
- a = 42°
Angle b is supplementary with 64° angle as linear pair
- b = 180° - 64° = 116°
Some of the interior angles of a triangle is 180
- x + 42° + 116° = 180°
- x + 158° = 180°
- x = 180° - 158°
- x = 22°
