Question

pls answer these questions

Answer 1

we will divide the trapezium in a triangle and a parallelogram

area of parallelogram=base x height

60 x 25= 1500 cm^2

area or triangle=heron's formula

s= a+b+c/2=20+15+25/2 = 60/2 = 30

√ s(s-a)(s-b)(s-c)

√30(30-25)(30-20)(30-15)

√30.5.10.15

√15.2.5.2.5.15

15.2.5

=150cm^2

area of trapezium=area of parallelogram+area of triangle

=1500+150

=1650 cm^2  

hope it helps..........

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