25 pts + brainliest for the first correct answer. find the value of x. i just need these answered quickly if possible : )

Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

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?

What is a possible solutions of the x> 3?