Use pi = 3.14 to estimate the circumference of the circle to the nearest hundredth. middle of circle is 11cm

Circumference of the circle to the nearest hundredth is, 69.08 cm

Step-by-step explanation:

Circumference(C) of the circle is given by:

           .....[1]

where,

r is the radius of the circle.

As per the statement:

middle of circle is 11 cm

⇒

use

Substitute these in [1] we have;

Therefore, the circumference of the circle to the nearest hundredth is, 69.08 cm

pentagon

step-by-step explanation:

the coordinates   a(5, -2), b(3,-1),c(-4,-4) d(-3,8) and e(-1,4) forms the vertices of the polygon when they are connected in order.

in order to classify that which polygon is it with the given coordinates, first count the number of vertices and then count the number of sides it can make with these vertices.

since, the given coordinates have five vertices, therefore, it will make five sides. moreover, pentagon is regular in nature therefore it will be convex.

now, a polygon with five sides is known as pentagon, therefore, the given polygon is the pentagon.

i use my brain for prombles like this maybe you could try it

step-by-step explanation: