In Fig. 9.32, area of ∆ AFB is equal to the area of parallelogram ABCD. If altitude EF is 16 cm long, find the altitude of the parallelogram to the base AB of length 10 cm. What is the area of ∆DAO, where O is the mid point of DC? Fig. 9.32 Did You Know Area is expressed in square units, such as square metre or square centimetres. You can abbreviate square units by writing the abbreviation for the unit followed by a power raised 2. For example, an abbreviation for squares metre is m2. Volume is expressed in cubic units. You can abbreviate cubic units by writing the abbreviation for the unit followed by a power raised 3. For example, an abbreviation for cubic centimetres is cm3. 15-04-2018
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8cm, 20cm2