Surface area of a cube or a rectangular prism Find the surface area of this cube. Be sure to include the correct unit in your answer.
cm
cm?
4 cm
4 cm
Х
4 cm

after 1 year: 221 deer

step-by-step explanation:

30% of 170 is 51. 170+51=221

i'm a sophomore in connections, i'd recommend checking on jishka.com they have a large range of questions and answers from our school.

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.