# What is the time of the pet

Classified in Mathematics

Written at on English with a size of 2.35 KB.

**Rates and Ratios**

**ratio**in which they share the money as:

Daniel : Esther : Fatima = 200 : 150 : 50

Ratios can also be fractions.

Daniel : Esther : Fatima = 200 : 150 : 50

400 400 400

**Perimeter**

Perimeter is the distance around the circumference of a shape. (pi*d=Circumference)

**Surface Area Formulas**

**2D:**

Square = Base x Height

Rectangle = Base x Height

Triangle = (Perpendicular Height x Base) ÷ 2

Trapezium = (Top + Bottom Height) x Perp. Height ÷ 2

Parallelogram = Perpendicular Height x Base

Rhombus = (Length x Height) ÷ 2

Kite = (Length x Height) ÷ 2

**3D:**

2D Shapes x The amount of **time** they appear

**Fractions:**

Add = Make the bottom numbers the same then add the top ones together

Subtract = Make the bottoms numbers the same then subtract the top ones

Multiply = Times Numerator by Numerator and Denominator by Denominator

Divide = Invert and Multiply