diff --git a/Grade 9/Math.md b/Grade 9/Math.md index 5ca798c..4546c6d 100644 --- a/Grade 9/Math.md +++ b/Grade 9/Math.md @@ -43,7 +43,7 @@ >> ```W``` represents **Whole Numbers** (W = {x | x > 0, x ∈ Z}) >> ```N``` represents **Natural Numbers** (N = {x | x ≥ 0, x ∈ Z}) >> ```Z``` represents **Integers** (Z = {x | -∞ ≤ x ≤ ∞, x ∈ Z}) ->> ```Q``` represents **Rational Numbers (Q = {ab |a, b ∈ Z, b ≠ 0}) +>> ```Q``` represents **Rational Numbers** (Q = {ab |a, b ∈ Z, b ≠ 0}) >> | Symbol | Meaning | >> |:------:|:-------:| @@ -306,7 +306,7 @@ >> |3D Object|Formula|Picture| >> |:----|:------|:------| >> |Rectangular Prism|```Volume```: lwh
```SA```: 2(lw+lh+wh)|| ->> |Square Based Pyramid|```Volume```: 13b2h
```SA```: 2bs+b2|| +>> |Square Based Pyramid|```Volume```: 13b2h
```SA```: 2bs+b2|| >> |Sphere|```Volume```: 43πr3
```SA```: 4πr2|| >> |Cone|```Volume```: 13πr2h
```SA```: πrs+πr2|| >> |Cylinder|```Volume```: πr2h
```SA```: 2πr2+2πh||