Question

Please give me the solution of the problems given in image it so urgent please give answer and with full solution and reason also(this is class 7 th maths lesson perimeter and area

Answer 1

area of abc=1/2 *b*h
=1/2*4*3=6cm^2
now taking ac as the base and bd as the ltitude
6cm^2=1/2*5*bd
bd=12/5

3.side of the square=60
area=60*60
=3600cm^2
base of llgm=120cm
area is same as the suare
area of llgm=3600=b*h
h=3600/120
=30 cm

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