Compute the area of a triangle whose vertices are (4, 1), (1, 5), and (6, 7).

13 sq. units.

Step-by-step explanation:

We have to calculate the area of the triangle whose vertices are (4,1), (1,5) and (6,7).

We know that the area of a triangle with vertices , , and is given by the formula

So, the area of the given triangle will be  

= sq. units. (Answer)

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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