Answer:
Since A={a,b}, then
. Remember that the Cartesian Product of two sets A, B is defined by
. Then

Given:
A right triangle on a coordinate plane.
To find:
The area of a triangle.
Solution:
We know that, the area of a triangle is

From the given figure it is clear that the base of the triangle is 4 units and the height is 3 units. So, the area of the given triangle is



The area of the given triangle is 6 units². Therefore, the correct option is B.
The multiplicative inverse of a fraction<span> is called the </span>reciprocal<span>, and is the upside-down version of that </span>fraction<span>.
1/(-8)= -1/8
1/(-6)= -1/6</span>