The first jump in a unicycle high-jump contest is shown. The bar is raised 2 centimeters after each jump. Solve the inequality 2
1 answer:
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Answer:
B
Step-by-step explanation:
The equation of a circle is denoted by: , where (h, k) is the center and r is the radius.
Here, we see that the center is (0, 0), so h = 0 and k = 0. Also, the radius is , so r =
and
.
Then we can write our equation:
The answer is B.
Hope this helps!
Method 1.
Look at the picture 1.
We have:
Picture 2.
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Method 2. (Picture 3)
ΔLOM and ΔMON are isosceles triangles. Therefore the two angles opposite the legs are equal.
The sum of the internal angles in each triangle is 180°. Thereofre in ΔLMN we have:
