Respuesta :

subedijharana50

a=6cm b=8cm h=4Cm

we have a+b/2×h

=8+6/2×4

14\2×4

7×4

28

Now, a of triangle = 1\2 bh

1\2×5cm×4Cm

10

then a of trapezoid = a1+a2

=28+10=38# Answer

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