En un examen de admisión de la Universidad Nacio- nal del Callao se propuso el siguiente problema:
Halle el valor de x.
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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?

Ineed with this problem 21 show steps

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.