HELP ME PLEASE solve the right triangle
1 answer:
Answer:
<em>UV </em>= 8.9 <em>∠V=</em>30° <em>∠U</em>=60°
Step-by-step explanation:
1. Find the hypotenuse (<em>UV </em>)
8^2+4^2=c^2
64+16=c^2
80=c^2
C= or 8.94427191...
2. We know this is a right triangle is a 30, 60, 90 triangle because the sides are not the same. This means ∠V=30° and ∠U=60° The 30 degree angle is opposite of the short leg and the 60 degree angle is opposite of the long leg.
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1. Substitude right side of second equation into the left side of the first equation:
.
2. Solve this equation:
.
3. Find y:
for
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for
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4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.
1. Substitude right side of second equation into the left side of the first equation:
2. Solve this equation:
3. Find y:
for
for
4. The solutions of the system are: (3,-12) and (5,-24).
Answer: Correct choice is A.