Answered

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PLEEEEASSSSE HELP MEE

PLEEEEASSSSE HELP MEE class=

Sagot :

Trancescientidn

Answer:

x = 22.2

Step-by-step explanation:

Let's set up this problem using cosine law:

x^2 = a^2 + b^2 -2abcos110

where a = 12, b = 15

x^2 = (12)^2 + (15)^2 - 2(12)(15)cos110

= 144 + 225 - 360(-0.342)

= 492

x = 22.2

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