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5 votes
The measure of ∠DAB equals 110º. The measure of ∠ACB equals 20º. What is m∠ABC

2 Answers

4 votes
If it is supplementary the answer might be 70
answered
User Suresh Palemoni
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7.7k points
3 votes

The answer is 90º

Proof:

The measure of ∠DAB equals 110º. The measure of ∠ACB equals 20º. What is m∠ABC-example-1
answered
User Simon Price
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8.2k points