- On corresponding angles, do I use a congruence symbol (≅), or an equal symbol (=)?

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White light is directed at difraction grating at angle normal to gratting.starting at norml to grating 0dgre the odr of red,gren,blue wil be? Find all of the actual roots of the polynomial: x^3 - 2x^2 + 5x + 26 = 0? Problem involving math induction! 1. Prove for every integer p, p^2 + 3p + 8 is even.? Diameter of a wheel 80cm. If the wheel rotates through an angle of 200degrees, how many cm does it move? Show steps please!? What is 4 x 6?