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Given: △ABC, AB=5 2 m∠A=45°, m∠C=30° Find: BC and AC Answer ASAPPP!! I need it by 9 pm!

Given: △ABC, AB=5 2 m∠A=45°, m∠C=30° Find: BC and AC Answer ASAPPP!! I need it by 9 pm!
asked 186k views
0 votes
Given: △ABC, AB=5 2 m∠A=45°, m∠C=30° Find: BC and AC
Answer ASAPPP!! I need it by 9 pm!

asked
User Bhavesh Ajani
by
8.4k points

2 Answers

1 vote
use sum of angles theorem to find angle B


use SINE law to find BC

52m. BC
——— = ———-
sin(30). sin45

BC = 73.5 m (rounded)

use SINE law again to find AB

AB. 52
_____ = _____
sin105. sin30

AB = 100.5 m (rounded)
answered
User Adora
by
7.2k points
1 vote

Answer:

BC = 10, AC= approximately 13.66 OR 5+5 √3

Explanation:

Law of Sines

answered
User Palash Bansal
by
8.1k points
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