The circumcenter of a right triangle is located on the triangle (on the mid-point of the hypotenuse) because the hypotenuse is the diameter of the circumcircle.
Step 2 is wrong and i don't know the other question
Answer:
9 steps
Step-by-step explanation:
Let
be the number of jumps
and
be the number of steps
So the first case

Second case

Both cover equal distances so




So, one jumps is 9 steps.
Answer:
150° and 210°
Step-by-step explanation:
1) to drow a circle with radius=1 in the system of coordinates like in the attached picture;
2) to mark point (-√3/2)≈-0.866 on X-axis (in the picture it is the point M);
3) to graph line AB through point M, the line AB || Y-axis and the points A and B are on the circle with radius=1;
4) to measure the angles ∠ROA and ∠ROB (the points are marked with red colour);
5) finally, m(∠ROA)=150°; m(∠ROB)=210°.
Answer:
base of the cone is 24 m across and the height is 16 m.
Step-by-step explanation: