Find the area of the shape shown in figure.

F1 Engineering Mrunal 15.03.2023 D8

Note: All dimensions are in mm.

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ISRO SAC Technician B Fitter 6 Nov 2016 Official Paper
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  1. 4500 mm2
  2. 2250 mm2
  3. 3000 mm2
  4. 1500 mm2

Answer (Detailed Solution Below)

Option 2 : 2250 mm2
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Detailed Solution

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Concept:

Area of the trapezium = \(\frac{1}{2}\) × (sum of the parallel sides) × height

Calculation:

Given:

Lengths of the parallel sides are 30 and 60 mm

Height = 50 mm

∵ Area of the trapezium = \(\frac{1}{2}\) × (sum of the parallel sides) × height

⇒ Area of the trapezium = \(\frac{1}{2}\) × (30 + 60) × 50 = 2250 mm2

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