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28 votes
28 votes
Please help how do I do this

Please help how do I do this-example-1
User Matthijs Mennens
by
3.2k points

1 Answer

5 votes
5 votes

Answer:

a = 2.5
b = 4.33

Explanation:

a = sin(30 degrees) = o/5 = 2.5
b = cos(30 degrees) = a/5 = (5root3) / 2 or about 4.33

verify using Pythagorean theorem
2.5^2 + 4.33^2 = 5^2
6.25 + 18.75 = 25
25 = 25

User Ed Hyer
by
3.0k points