PLEASE HELP WITH NUMBER 5. URGENT

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?

If you answer right ill give brainliest, : )

Consider circle h with a 3 centimeter radius. if the length of minor arc what is the measure of zrst?