What is the total area of this composite figure? all angles are right angles.

54 in.2
75 in.2
72 in.2
90 in.2

Total Area of this figure is:

90 in²

Step-by-step explanation:

Area of this figure=Area of the bigger rectangle+Area of smaller rectangle

Area of bigger rectangle = 12×6 in²

                                          =72 in²

Area of smaller rectangle=6×3 in²

                                         = 18 in²

Hence, total area of figure=72+18

                                          = 90 in²

d) 30 units^2

area of rectangle = l × b

we know,

length = 10 unit

breadth = 3 unit

applying the formula,

= l × b

= 10 × 3

= 30 unit^2

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i think the amount would be $140.62