Asegment that connects a vertex to the midpoint of the opposite side

Median

Step-by-step explanation:

The Median of the triangle is the line segment, that connects one vertex to one leg midpoint at its opposite side. Since there are three vertices then there are medians in a Triangle.

Midpoint is calculated by adding two points coordinates and dividing them by two

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column