Fiona has 212 stickers to put in her stickers to put in her sticker book. each page holds 18 sticker. how many pages does fiona need for all of her stickers?

12

Step-by-step explanation: The reason why is because when you divide the problem it will be 11 and remainder. But to hold all the stickers it is actually 12.

Step-by-step explanation:

Divide 212 by 18, and the result is how many pages you will get. 11.777 (repeat) is the answer, rounded to 12 pages.

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x = 25/2304

step-by-step explanation:

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.