<u>Part 1) </u>To find the measure of ∠A in ∆ABC, use
we know that
In the triangle ABC
Applying the law of sines
in this problem we have
therefore
<u>the answer Part 1) is</u>
Law of Sines
<u>Part 2) </u>To find the length of side HI in ∆HIG, use
In the triangle HIG
Applying the law of cosines
In this problem we have
g=HI
G=angle Beta
substitute
<u>the answer Part 2) is</u>
Law of Cosines
Answer:
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15.
c is a negative
3 - (-12)
15
$180
Step-by-step explanation:
100%=x
35%=$63
63 x 100=6300/35=$180