This question is too vague to have an answer, but here is one.
For the shaded area (pie wedge) of a circle, find the area of the circle and multiply by the ratio of the wedge angle to the entire circle (angle/360).
For the shaded region of a triangle, find the area of the smaller triangle, if necessary using trig functions to define a known angle or length of a side.
For other polygons, you may be able to divide the area into triangles separately, then sum their areas.
Find the area of the shaded region means find the area of the area that is shaded in or darkened.
The area of the shaded region can be gotten by multiplying the area of the circle by the subtended angle of the sector.
find the area of the shaded sector 12cm and 24°
Either directly or by finding the area of the whole and subtracting the area of the non-shaded part.
It depends on what the shaded and non-shaded parts look like!
You will need to divide the shaded area into smaller parts, such as triangles or rectangles, or find the length of sides of these polygons.
You use proportions
The probability is the ratio of the area of the shaded area to the area of the whole figure.
it is actually very easy what you do is find the area of both shapes then if your problem is like find the chances of hitting the shaded area you do area of shaded divided by the total area of the whole object then multiply that by 100
If we can't see the shaded area or if you don't tell us what it is, we'd just be guessing.
There is no shaded space (indeed, no triangle) so the answer must be 0.
You do it by ading the two ends