Blog Archive
Thursday, November 28, 2013
8.5 Making Scale Drawings
when you write a scale using to or the ratio sign,the number you use must be in the same units.so you must write the scale'1 cm represent 10 cm 'as either '1 to 1000or '1:1000. the scale '1 to 10'or 1:10' means that every centimetre on the drawing represents 10 centimetres in real life. To change a length on a drawing to a length in real life, multiply by the scale.
To cgange a length in real life to a length on a drawing. divide by the scale.
Wednesday, November 27, 2013
8.3 Clasifying Quadrilaterals
A quadrilateral is a 2D shape with four straight sides. A diagonal is a line that joins to opposite corners of quadrilateral. Every quadrilateral has two diagonals. The diagonals always cut (cross) each other.
Subscribe to:
Posts
(Atom)