Please Help im on a test.
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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?

Find the distance between (7,-6) and (-3,-9)

What is the measure of sty in oo below? 130 310 230 50