1.

Find the areas of the shaded regions of the 3-D figures given in question number 3.

Answer»
FigureArea of the shaped regions
i)3 × 1 × 1 = 3 Sq. Units.
ii)4(2 × 1) + 1 = 9 Sq. Units.
iii)4 + (16 – 8) = 4 + 8 = 12 Sq. Units.
iv)1 + (4 – 1) ÷ (9 – 4) = 1 + 3 + 5 = 9 Sq. Units.


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