A circle is a set of points equidistant from a center point. Here's a set of points equidistant from the origin! A common form to write the equation of a circle in is the center-radius form. The center-radius form is: (x−h)2+(y−k)2=r2 Here, the center point is denoted by (h,k) and r is the radius of the circle.
Answer:
1
Step-by-step explanation:
458 = 2 × 229
885 = 5 × 177
Factors 2 and 5 are appearing only once, hence it's a multiple of 10.
Which means 1 zero at the end
Answer:
<ECF = 45 degrees
Step-by-step explanation:
If ABCD is a square, then the diagonal AC divides angle <C and angle <A in two equal parts. Angles A and C are also 90 degrees each due to the act that the figure is a square. Therefore their bisection would render 90/2 = 45 degrees.
Notice as well that angle <ECF is opposite by the vertex to one of these 45 degree angles, and then it must measure the same amount (45 degrees).
So, <ECF = 45 degrees
Answer:
<h2>A. 11</h2><h2 />
Step-by-step explanation:
30-2(7+2)-1
= 30 - 2(9) - 1
= 30 - 18 - 1
= 11