Mr. Eric
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A Friendly Introduction to Number Theory Algebra Ii Algebra Problem Algorithm Code Euclid Geometry Germination Method Number Theory Opinion Poetry Appreciation Reflection Seed Solve Speech Stop Motion
Algebra
Algebra Problem No.11
Algebra Problem No.9
Algebra Problem No.8
Algebra Problem No.7
Algebra Problem No.6
Algebra Problem No.5
Algebra Problem No.4
Algebra Problem No.3
Algebra Problem No.2
Algebra Problem No.1
Free Question No.1
Algorithm
Algorithms Code Quick Sort
Algorithms Chapter 2
Algorithms Chapter 1
Code
Algorithms Code Quick Sort
Essay
Dehumanization of slaves
‘A Long Walk To Water’ Reading Reflection (G5)
Biography about Nikola Tesla (G4)
Oh the places you'll go!
Ways To Express Yourself (G4)
Volunteer or not (G4)
Should We Reach Out (G4)
Geometry
Euclid Book II PROP. XIII. -- THEROREM.
Euclid Book II PROP. XII. -- THEROREM.
Euclid Book II PROP. XI. -- PROBLEM.
Euclid Book II PROP. X. -- THEOREM.
Euclid Book II PROP. IX. -- THEOREM.
Euclid Book II PROP. VIII. -- THEOREM.
Euclid Book II PROP. VII. -- THEOREM.
Euclid Book II PROP. VI. -- THEOREM.
Euclid Book II PROP. V. -- THEOREM.
Euclid Book II PROP. IV. -- THEOREM.
Euclid Book II PROP. III. -- THEOREM.
Euclid Book II PROP. II. -- THEOREM.
Euclid Book II PROP. I. -- THEOREM.
Euclid Book I PROP. XLVIII. -- THEOREM.
Euclid Book I PROP. XLVII. -- THEOREM.
Euclid Book I PROP. XLVI. -- PROBLEM.
Euclid Book I PROP. XLV. -- PROBLEM.
Euclid Book I PROP. XLIV. -- PROBLEM.
Euclid Book I PROP. XLIII. -- THEOREM.
Euclid Book I PROP. XLII. -- PROBLEM.
Euclid Book I PROP. XLI. -- THEOREM.
Euclid Book I PROP. XL. -- THEOREM.
Euclid Book I PROP. XXXIX. -- THEOREM.
Euclid Book I PROP. XXXVIII. -- THEOREM.
Euclid Book I PROP. XXXVII. -- THEOREM.
Euclid Book I PROP. XXXVI. -- THEOREM.
Euclid Book I PROP. XXXV. -- THEOREM.
Euclid Book I PROP. XXXIV. -- THEOREM.
Euclid Book I PROP. XXXIII. -- THEOREM.
Euclid Book I PROP. XXXII. -- THEOREM.
Euclid Book I PROP. XXXI. -- PROBLEM.
Euclid Book I PROP. XXX. -- THEOREM.
Euclid Book I PROP. XXIX. -- THEOREM.
Euclid Book I PROP. XXVIII. -- THEOREM.
Euclid Book I PROP. XXVII. -- THEOREM.
Euclid Book I PROP. XXVI. -- THEOREM.
Euclid Book I PROP. XXV. -- THEOREM.
Euclid Book I PROP. XXIV. -- THEOREM.
Euclid Book I PROP. XXIII. -- PROBLEM.
Euclid Book I PROP. XXII. -- PROBLEM.
Euclid Book I PROP. XXI. -- THEOREM.
Euclid Book I PROP. XX. -- THEOREM.
Euclid Book I PROP. XIX. -- THEOREM.
Euclid Book I PROP. XVIII. -- THEOREM.
Euclid Book I PROP. XVII. -- THEOREM.
Euclid Book I PROP. XVI. -- THEOREM.
Euclid Book I PROP. XV. -- THEOREM.
Euclid Book I PROP. XIV. -- THEOREM.
Euclid Book I PROP. XIII. -- THEOREM.
Euclid Book I PROP. XII. -- PROBLEM.
Euclid Book I PROP. XI. -- PROBLEM.
Euclid Book I PROP. X. -- PROBLEM.
Euclid Book I PROP. IX. -- PROBLEM.
Euclid Book I PROP. VIII. -- THEOREM.
Euclid Book I PROP. VII. -- THEOREM.
Euclid Book I PROP. VI. – THEOREM.
Euclid Book I PROP. V. – THEOREM.
Euclid Book I PROP. IV. – THEOREM.
Euclid Book I PROP. III. – PROBLEM.
Euclid Book I PROP. II. – PROBLEM.
Euclid Book I PROP. I. – PROBLEM.
Number Theory
What is number theory
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Euclid Book I PROP. XXXII. -- THEOREM.

Euclid Book I PROP. XXXII. -- THEOREM.

Wednesday, Jun 24, 2020

@ Mr. Eric

If any side (AB) of a triangle (ABC) be produced (to D), the external angle (CBD) is equal to the sum of the two internal non-adjacent angles (A, C), and the sum of the three internal angles is equal to two right angles.

1 minute read
Euclid Book I PROP. XXIX. -- THEOREM.

Euclid Book I PROP. XXIX. -- THEOREM.

Sunday, Jun 21, 2020

@ Mr. Eric

If a right line (EF) intersect two parallel right lines (AB, CD), it makes:

  1. the alternate angles (AGH, GHD) equal to one another;
  2. the exterior angle (EGB) equal to the corresponding interior angle (GHD);
  3. the two interior angles (BGH, GHD) on the same side equal to two right angles.
1 minute read
Euclid Book I PROP. XXVIII. -- THEOREM.

Euclid Book I PROP. XXVIII. -- THEOREM.

Saturday, Jun 20, 2020

@ Mr. Eric

If a right line (EF) intersect two parallel right lines (AB, CD) makes the exterior angle (EGB) equal to its corresponding interior angle (GHD), or makes two interior angles (BGH, GHD) on the same side equal to two right angles, the two right lines are parallel.

1 minute read
Euclid Book I PROP. XXVI. -- THEOREM.

Euclid Book I PROP. XXVI. -- THEOREM.

Thursday, Jun 18, 2020

@ Mr. Eric

If two triangles (ABC, DEF) have two angles B, C) of one equal respectively to two angles (E, F) of the other, and a side of one equal to a side similarly placed with respect to the equal angles of the other, the triangles are equal in every respect.

1 minute read

Mr. Eric

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