# 11.2.3 Perimeter and Area, PT3 Practice

     
Question 9:
 
In diagram below, ADB is a right-angled triangle and DBFE is a square. C is the midpoint of DB and CH = CD.
 Calculate the area, in cm2, of the coloured region.
 

 Solution:
     
 
 
 
      
Question 10:
 
Diagram below shows a rectangle ACDE.
 
 Calculate the area, in cm2, of the coloured region.
 

 Solution:
     
 
 
 
Question 11:
Diagram below shows a sketch of parallelogram shaped garden, PQRS that consists of flower beds and a playground.

Calculate the area, in m2, of the flower beds.

Solution: