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4 votes
Only one question .Who knows about this plz "Find the measures indicated. round to the nearest tenth".​

Only one question .Who knows about this plz "Find the measures indicated. round-example-1
User HiFI
by
4.6k points

2 Answers

3 votes

Answer:

a = 5.3

<C = 42°

Explanation:

<C = 180 - (60 + 78)

<C = 42°

Law of sines:

a/sin(60) = 6/sin(78)

a = sin(60)*6 / sin(78)

a = 0.866 * 6 / 0.978

a = 5.3

User Naman Kashyap
by
5.1k points
2 votes

So the total value of a triangle is 180°

So when u calculate the missing angle its value is 42°

180°-(60°+78°) = 42°

User Ven Yao
by
4.6k points
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