In the diagram, triangle ABC is a right triangle and a semicircle with diameter AB is shown. If AB = 20, AC = 16 and BC = 12, then what is the total shaded area of the diagram?

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Which statements are true about additional information for proving that the triangles are congruent check all that apply

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle