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🔚 Quiz today! Count the triangles. 🧠 Look at this picture and think about how many triangles there are in total? ðŸĪ”

A. 12

B. 15

C.18

D. 20

❌ Do not postpone reading the comments first!

Try your own eyes and reasons first.

And type the answer under the post. 👇

💎 Comments are just letters.

A / B / C / D

Let's see who gets the right answer from the first time. 😄

📌 I will answer in the comments tomorrow.

After you try to answer that, 😊

# The butler tutored math # Math # Math problem

# Training the brain # Count the triangle# MathPuzzle # MathChallenge # Fun math

7/13 Edited to

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A hand-drawn diagram of triangle ABC with its orthocenter O and the orthic triangle DEF. It labels various angles, side lengths, and lists formulas for segments related to the orthocenter and the sides of the orthic triangle (DE, EF, FD).
Hand-written mathematical derivations applying Ptolemy's Theorem to find the lengths of sides EF and DF of the orthic triangle, concluding with EF = a cos A and DF = b cos B.
Hand-written mathematical derivations applying Ptolemy's Theorem to find the length of side DE of the orthic triangle, concluding with DE = c cos C.
Side length in the orthic triangle
The orthic triangle is the triangle made by connecting the points where each altitude meets their corresponding side. Since orthocenter is the common meeting point of the quadrilaterals, then three cyclic quadrilaterals are formed, so Ptolemy’s theorem can be used to find the lengths of the sides o
cubicequation

cubicequation

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A handwritten math solution on lined paper, featuring a triangle diagram with orthocenter (O) and circumcenter (P) labeled. It derives the formula for the squared distance between them, dÂē = 9RÂē - (aÂē+bÂē+cÂē), using trigonometric identities and cosine rules.
The distance between the orthocenter and the circumcenter of a triangle
In any acute triangle, the distance between the orthocenter and the circumcenter is found with quite a nice formula that relate the sides and the circumradius. #math #maths #mathematics #geometry #trigonometry
cubicequation

cubicequation

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🧠 General Knowledge Quiz no. 6
Do you know the answers? #oneminutequiz #quizzes #trivia
One Minute Quiz

One Minute Quiz

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greeeennn #viral #fyp #trend #foryoupage #relatable
𝐀𝐧𝐠𝐞ðĨ𝐚 𝐌𝐚𝐞

𝐀𝐧𝐠𝐞ðĨ𝐚 𝐌𝐚𝐞

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#numerology #3
Isabellakatherine

Isabellakatherine

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