Question

I need help on how to find the shaded area and how to explain it

Answer 1

The diameter of the circle is the hypotenuse of the triangle

$\sqrt{3^{2} + {4}^{2} }$

so find:

• the area of the triangle ((b*h)/2)
• the ray of the circle (d/2)
• the area of the circle r*r*π
• Now subtract from the area of the circle the area of the triangle