Question

Unit 9 test: Trigonometry
What is the right answer to this problem?

Answer 1

Answer:

x = 10.5

Step-by-step explanation:

$cos 65 =\frac {adjacent}{hypotenuse} \\\\0.4226 = \frac{x}{25}\\\\0.4226 \times 25 = x \\\\x = 10.565$

Answer 2

Answer:

Step-by-step explanation:

take 65 degree as reference angle

using cos rule

cos 65=adjacent/hypotenuse

0.42=x/25

0.42*25=x

10.5=x