Question

find area of the shaded region of the rectangle (please do step by step) ​

Answer 1

Answer:

1160m

Step-by-step explanation:

Total area = length x breadth = 35m x 42m = 1470m

Area of first unshaded rectangle= 19m x 10m = 190m

Area of second unshaded rectangle= 15m x 8m = 120m

Total area of unshaded rectangles= 190m + 120m = 310m

Area of shaded rectangle= Total Area - Total Area of unshaded rectangles = 1470m - 310m = 1160m

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Answer 2

Step-by-step explanation:

$length \: of \: rectangle \: = 35cm$

$breadth \: of \: rectangle \: = 42cm$

$so \: area \: of \: rectangle \: = l \times b \\ 35 \times 42 = 1470$

$area \: of \: 1st \: rectangle =19 \times 10 = 190$

$and \: area \: of \: 2nd \: rectangle \: = 8 \times 15 = 120$

$now \: area \: of \: the \: shaded \: region \: = \: area \: of \: rectangle \: - area \: of \: sum \: of \: both \: the \: rectangle$

$present \: inside \: the \: rectangle \: .$

$= 1470 - (190 + 120) \\ = 1470 - 310 \\ = 1160m$