asked 95.8k views
20 votes
NEED HELP AILL GIBE 20 point...

NEED HELP AILL GIBE 20 point...-example-1

1 Answer

9 votes

9514 1404 393

Answer:

36°

Explanation:

BY bisects angle B, which has a measure of 72°. That means angles 3 and 4 are each half of 72°, or 36°.

m∠4 = 36°

answered
User Andy Macleod
by
7.5k points
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