Question

find the area of the shaded portion. All corners are right angled​​

Answer 1

Answer:

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Answer 2

area of big rectangle = l×b

= 12×18 = 216 cm²

length of small rectangle = 18-1.5+1.5

= 18-3 = 15 cm

breath of small rectangle = 12-4 = 8 cm

area of small rectangle = l×b

= 15×8 = 120

area of shaded region = area of big rectangle - area of small rectangle

= 216-120

=. 96cm²