Solve the problem. make sure your answer is in simplest form and improper fractions are expressed as mixed numbers. a. 7/10b.14/15 c.10/21 d.7/21will give brainliest

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?