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The figure is made up of a square and a rectangle. Find the area of the shaded region.

8m
14 m
3m

1 Answer

4 votes

Answer:

Explanation:

Answer:

24 m^2.

Explanation:

Length of rectangle = 16 m - side of square

⇒ 16 m - 7 m

Length of rectangle = 9 m

In rectangle :

⇒ Area of shaded region

⇒ Area of half rectangle

⇒ ( 3 m x 9 m ) / 2

⇒ 1.5 x 9 m^2

⇒ 13.5 m^2 ...( 1 )

In square,

⇒ Area of square = ( 7 m )^2

⇒ Area of square = 49 m^2Also,

⇒ Area of total non-shaded region = ( area of triangle formed by diagonal ) + ( area of right-angled triangle of height 7 m and base ( 7m - 3m ) = 4m )

⇒ Area of non-shaded region = ( 7 m x 7 m / 2 ) + ( 7 m x 4 m / 2 )

⇒ 24.5 m^2 + 14 m^2

⇒ 38.5 m^2

Thus,

⇒ Area of shaded region in square = area of square - area of square region in square

⇒ 49 m^2 - 38.5 m^2

⇒ 10.5 m^2 ...( 2 )

⇒ Area of total shaded region = ( 1 ) + ( 2 ) = area of shaded region in square + rectangle

⇒ 13.5 m^2 + 10.5 m^2⇒ 24 m^2

User Roberto Hernandez
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