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Two parallel side of a trapezium are 60 cm and 77 cm and other sides are 25 cm and 26 cm. Find the area of the trapezium.

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Given that two parallel sides of trapezium are AB = 77 and CD = 60 cm 

Other sides are BC = 26 m and AD = 25 cm. 

Join AE and CF 

Now, DE ⊥ AB and CF ⊥ AB 

∴ DC = EF = 60 cm 

Let AE = x 

⇒ BF = 77 – 60 – x = 17 – x

 

Area of trapezium = 1/2 (sum of parallel sides) x height 

= 1/2 (60 x 77) x 24

= 1644 cm2

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