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LA = 5x -5
B = 3 + 13
B
Solve for r and then find the measure of B:

LA = 5x -5 B = 3 + 13 B Solve for r and then find the measure of B:-example-1

1 Answer

2 votes

Answer:

x = 9º

∠B = 40º

Explanation:

5x-5º = 3x+13º

[add 5 to both sides]

5x = 3x+18º

[subtract 3x from both sides]

2x = 18º

[divide each side by 2]

x = 9º

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3x+13º = 3(9º)+13º=27º+13º = 40º

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