Therefore the factors are (22) Check by multiplying our Pacterise the following quadrate expression
(hi 4+*+3
(d) -74
(a 2 + 7 + 3
(cir St+1
Exercise 20.30
Factorise:
12+ 3x + 1
3. 21+ S + 4
5 7+2
2.91 3y + 12
9. 10+21-100
2. 72
# 40-20+
6. 3-1-2
83-19-14
10. S-21-40​

Part a what is the area of triangle i? show your calculation. part b triangles i and ii are congruent (of the same size and shape). what is the total area of triangles i and ii? show your calculation. part c what is the area of rectangle i? show your calculation. part d what is the area of rectangle ii? show your calculation. part e rectangles i and iii have the same size and shape. what is the total area of rectangles i and iii? show your calculation. part f what is the total area of all the rectangles? show your calculation. part g what areas do you need to know to find the surface area of the prism? part h what is the surface area of the prism? show your calculation. part i read this statement: “if you multiply the area of one rectangle in the figure by 3, you’ll get the total area of the rectangles.” is this statement true or false? why? part j read this statement: “if you multiply the area of one triangle in the figure by 2, you’ll get the total area of the triangles.” is this statement true or false? why?