2 +2= what is 2 plus to ik what it is but ya say something

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

Write the rational number in lowest terms 99/-15

What is 10+10+20 about the origin the square root of a triangle.