Realice el balanceo de las siguientes ecuaciones por el método redox KMnO4 + K2SO3 + HCl ⇌ MnO2 + K2SO4 + KCl + H2O K2Cr2O7 + H2S + HCl ⇌CrCl3 + S + KCl + H2O

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

Which segments are congruent? o jn and ln o jn and nm o in and nk onk and nm

What is not true about kl and mn? what is mn? (show your work)