Algebramedium · Past Paper
The difference between two supplementary angles is 20 degrees. Find the larger angle.
A100
B80
C110
D70
✓ Correct Answer: A — 100
x + y = 180, x - y = 20. Adding gives 2x = 200 -> x = 100.
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✓ Correct Answer: A — 100
x + y = 180, x - y = 20. Adding gives 2x = 200 -> x = 100.
Share this question