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Find the missing values :S.NoBaseHeightArea of trianglea20cm246cm2b15cm154.5cm2c8.4cm48.72cm2d15.6cm16.38cm2 |
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Answer»
(a) Area of the parallelogram = Base × height Base = 20 cm Area = 246 sq cm Height = ? 246 = 20 × h ∴ Height = \(\frac{246}{20} = 12.3cms\) Height = 12.3 cms (b) Height = 15 cm Area = 154.5 cm2 Base = ? Area of the parallelogram = Base × height 154.5 = B × 15 ∴ B = \(\frac{154.5}{15} = 10.3cms\) ∴ Base = 10.3 cms (c) Height = 8.4 cm Area = 48.72 cm2 Base = ? Area of the parallelogram = Base × height 48.72 = B × 8.4 ∴ B = \(\frac{48.72}{8.4} = 5.8cms\) ∴ Base = 5.8 cms d) Base = 15.6 cm Area = 16.38 sq cm Height = ? Area of the parallelogram = Base × height 16.38 = 15.6 × h ∴ height = \(\frac{16.38}{15.6} = 1.05cms\) ∴ Height = 1.05 cms |
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