The length the rectangle have been ,measured to the nearest tenth of a centimetre. Workout the folllowing, writing down all the figures on your calculator display:
The upper bound for the area pf the rectangle

The lower bound for the perimeter of the rectangle

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.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

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step-by-step explanation: