193k views
4 votes
The angle measurements in the diagram are represented by the following expressions;

The angle measurements in the diagram are represented by the following expressions-example-1
User Tracy Zhou
by
2.8k points

1 Answer

4 votes

Answer:

∠A=166°

Explanation:

∠A=∠B

7x+40=3x+112

4x=112-40

x=18

∠A=7x+40=166

User Stellar Sword
by
3.1k points