Answer:
Circular shapes - They are those planner shapes that represent the locus of all the points that has a constant distance from a fixed point on the plane. This constant distance is termed as the radius of the circle and the fixed point is known as the center of the circle.
The center of the circle is enclosed by all the points on its periphery.
The circumference of the circle is the total length of its periphery around the center.
Concentric circles are two circles that have the same center
Step-by-step explanation:
U can use the Pythagorean theorem which is (a^2 + b^2 = c^2) It'll help you a lot
Unit rate would be 50 because 250÷5=50, so the answer would be (250×3)+50, witch is 800.