मराठी

The Diagram, Given Below, Shows Two Paths Drawn Inside a Rectangular Field 80 M Long and 45 M Wide. the Widths of the Two Paths Are 8 M and 15 M as Shown. Find the Area of the Shaded Portion

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प्रश्न

The diagram, given below, shows two paths drawn inside a rectangular field 80 m long and 45 m wide. The widths of the two paths are 8 m and 15 m as shown. Find the area of the shaded portion. 

बेरीज
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उत्तर

Consider the following figure.

Thus, the area of the shaded portion

= Area( ABCD ) + Area( EFGH ) - Area( IJKL )           …(1)

Dimensions of ABCD: 45m × 15 m

Thus, the area of ABCD = 45 × 15 = 675 m2

Dimensions of EFGH: 80 m × 8 m

Thus, the area of EFGH = 80 × 8 = 640m2

Dimensions of IJKL: 15 m × 8 m

Thus, the area of IJKL = 15 × 8 = 120 m2

Therefore, from equation (1),

the area of the shaded portion = 675 + 640 - 120 = 1195 m2

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पाठ 19: Area and Perimeter of Plane Figures - Exercise 20 (B) [पृष्ठ २५५]

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सेलिना Concise Mathematics [English] Class 9 ICSE
पाठ 19 Area and Perimeter of Plane Figures
Exercise 20 (B) | Q 12 | पृष्ठ २५५

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