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How do I solve this problem

How do I solve this problem-example-1
User Kobius
by
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1 Answer

5 votes

Answer:

Explanation:

In this math, we will be using the law of cosine.

a2 = b2 + c2 − 2bc cosA

This is to note that a here is actually x

a= x

b = 10

c = 9.4

cosA = cos20°


a = \sqrt{b^(2) +c^(2) - (2bc*cosA) }\\\\a= √(100 +88.36 - (188- 0.94)) \\\\a = √(1.3)\\\\a = 1.14

User Hbd
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