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Zielflug [23.3K]
2 years ago
14

What is the measure of the missing angle?

Mathematics
1 answer:
Semenov [28]2 years ago
3 0
Hello! every triangle’s interior angles add up to 180. here would be how I solve this equation.

180-75-40=65 (find missing angle)
65+x=180 (supplementary angles)
180-65=x (substitution)
115=x (simplify)
x=115 (reflexive property of equality)
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4 0
3 years ago
Read 2 more answers
62.938 to 2 decimal places
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Answer:

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Step-by-step explanation:


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8 0
3 years ago
How to solve this problem
S_A_V [24]
Step One
Solve for y
Cos(A) = adjacent / hypotenuse
Cos(A) = y / 8
y = 8 * cos(A)
y = 8 * cos(73)
y = 8 * 0.2924
y = 2.339

Step Two
Solve for x
Sin(A) = opposite / hypotenuse
Sin(73) = x / 8
x = 8 * sin(73)
x = 8 * 0.9563
x = 7.550

Check
x^2 + y^2 =? 8^2
2.339^2 + 7.55^2 =? 8^2
5.471 + 58.53 =? 64
64.000921  =  64 which is close enough.
5 0
3 years ago
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