diff --git a/Grade 10/Math/MPM2DZ/Unit 4: Trigonometry.md b/Grade 10/Math/MPM2DZ/Unit 4: Trigonometry.md
index 695d464..8bed839 100644
--- a/Grade 10/Math/MPM2DZ/Unit 4: Trigonometry.md	
+++ b/Grade 10/Math/MPM2DZ/Unit 4: Trigonometry.md	
@@ -62,7 +62,7 @@ If three sides of a triangle are respectively equal to the three sides of anothe
 ### Side-Angle-Side (SAS)
 If two sides and the **contained** angle of a triangle are respectively equal to two sides and the **contained** angle of another triangle, then the triangles are congruent.
 
-<img src="https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A77ca1d4d5a96259729f68cffe461702e9c92b5abb6018335683fa888%2BIMAGE_TINY%2BIMAGE_TINY.1" width="300">
+<img src="https://sophialearning.s3.amazonaws.com/packet_logos/4004/large/Side%20Angle%20Side%20Triangle.gif?1308840229" width="300">
 
 ### Angle-Side-Angle (ASA)
 If two angles and the **contained** side of a triangle are respectively equal to two angles and the **contained** side of another triangle, then the triangles are congruent.
@@ -91,12 +91,12 @@ our big triangle's area is equal to $`\dfrac{k^2bh}{2}`$. Similar equations and
 
 Three pairs of corresponding sides are in the **same ratio**
 
-<img src="https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3Ac6e3b786fdc6105d64b086efcfa48c529b91cbb087f6ba3bc60b9f9f%2BIMAGE_TINY%2BIMAGE_TINY.1" width="500">
+<img src="https://docs.google.com/drawings/d/snd5DSjJuOz9Lql5RgzUxCw/image?parent=1ltNI2q_ajTaJyAGt7C7GLY0uwh9LbBOfjW1B4Og_KwM&rev=59&h=188&w=398&ac=1" width="500">
 
 ### Side Angle Side similarity (RAR $`\sim`$)
 Two pairs of corresponding sides are proportional and the **contained** angle are equal.
 
-<img src="https://dr282zn36sxxg.cloudfront.net/datastreams/f-d%3A3c5ec26759a40dc1d524b1c5af8864d5e87135063ce6f4e75d37af4d%2BIMAGE_TINY%2BIMAGE_TINY.1" width="500">
+<img src="http://804369586450478528.weebly.com/uploads/4/5/2/6/45266747/775263614.png?367" width="400">
 
 ### Angle-Angle similarity (AA $`\sim`$)
 Two pairs of corresponding angles are equal. In the diagram below, we can solve for the missing angle using Angle Sum Of A Triangle Theorem (ASTT) and see that those 2 triangle's angles are equal.
@@ -166,7 +166,7 @@ In the ambigouous case, if $`\angle A, a, b`$ are given, the height of the trian
 |Case|If $`\angle A`$ is **obtuse**|Condition|# & Type of triangles possible|
 |:---|:----------------------------|:--------|:-----------------------------|
 |5   |<img src="http://jwilson.coe.uga.edu/EMT668/EMAT6680.2001/Mealor/EMAT%206700/law%20of%20sines/Law%20of%20Sines%20ambiguous%20case/image5.gif" width="200">|$`a \le b`$|no triangle exists|
-|6   |<img src="http://www.gradeamathhelp.com/image-files/ambiguous-case-side-length.gif" width="200">|$`a \gt b`$|one triangle exists|
+|6   |<img src="https://www.mathopenref.com/images/constructions/constaltitudeobtuse/step0.gif" width="300">|$`a \gt b`$|one triangle exists|
 
 
 ## Cosine Law