Question

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Answer 1

1/2 ×sum of parallel sides × shortest distance btween them

=1/2 × ( 11+8) × 4 cm

=1/2×19×4

=76/2 =38 cm sq

Answer 2

Step-by-step explanation:

the formula for area of trapezium is half multiplied by the sum of parallel sides multiplied by the distance b/w them.

so, 1/2 X (sum of parallel sides)(distance between them or height)

=1/2(11+8)(4)

=1/2(19)(4)=19×2cm^2= 38 cm^2