Tag: Measurement

Perimeter

This section is centred on finding the perimeter (the total distance around) of figures. Rectangle The perimeter of a rectangle, P = L + w + L + w = 2(L + w) Where, L is the length of the rectangle And,      w is the width of the rectangle. Example Square The perimeter of a square, P…...

Area

Area This section is catered to finding the area enclosed by rectangles, squares, triangles, parallelograms, trapeziums, and circles. Rectangle The area of a rectangle, A = Lw Where, L is the length of the rectangle And,      w is the width of the rectangle. Example Square Squares are special cases of rectangles. All the sides…...

Area of a Sector and Arc Length

Area of a Sector and Arc Length The sector of a circle is the portion enclosed by two radii and an arc. The smaller area is called the minor sector and the larger area, the major sector. As seen in the diagram above, the arc length of the minor sector (minor arc), is the portion…...

Surface Area

Surface Area The surface area of a figure, is the total area of all the sides of the figure. Triangular Prism(Right Angle Triangle) To find the surface area of the prism above, follow the steps below. Step 1: Divide the figure into smaller shapes. Step 2: Find the area of each smaller shape. Step 3:…...

Volume

Volume Triangular Prism(Right Angle Triangle) The volume of a triangular prism, V =  AL Where, A is the area of the cross-section of the prism.That is the area of one of the triangles, And,      L is the length of the triangular prism. Example Pyramid A pyramid is an object which has: a straight sided shape…...

Time, Distance and Speed

Time, Distance and Speed Time Time is the measurement of an instant which happens in the past, present or future, in hours and or minutes past midnight or noon. The units of time and their abbreviations are listed below: day    =             d hour  =             h minute =         min second =         s Note:         1 day =            …...