ANGLES ON A
STRAIGHT LINE
STRAIGHT LINE
Instructions: Find the missing angle A. Remember that angles on a straight line add up to 180°. Enter the whole-number value of A. Get 3 correct answers to unlock the next level.
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Student Mode lets you work without a countdown. Incorrect answers reveal the correct answer and a teaching hint. Press Enter or Next when you are ready to continue.
Time:
FOUNDATION MODE
0 / 3
CORE MODE
CHALLENGE MODE