Determine which expressions represent real numbers and which expressions represent complex numbers.
-12 i^6 -i^2 + i^3 squareroot -6 0 + 9i squareroot (-5)^2 2 - 7i^2 7 - 5i

Real or Complex numbers

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

answer:   the paragraph proof is mentioned below.

step-by-step explanation:

given: in a δxwy where

such that, ∠wzx ≅ ∠yzx and zw≅zy

we have to prove that: segment zx is a perpendicular bisector of segment wy.

prove: since, zw≅zy ⇒ ∠wzy is a supplementary angle.

then, ∠wzy= 180°

⇒∠wzx + ∠yzx = 180° ( because xz divides ∠wzy into two parts)

but, ∠wzx ≅ ∠yzx ( given)

⇒∠wzy+∠wzy=180° ( by substitution)

⇒2∠wzy=180°

⇒∠wzy=90°

⇒∠wzy=∠yzx =90°

therefore, xz⊥wy where wz=zy

⇒zx is a perpendicular bisector of wy.

n word

step-by-step explanation:

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