Question

in the given figures ,a,b,c,d is parallelogram ,dl perpendicular ab and dm perpendicular bc if ab =18cm bc =12 cm and dm =9.3 cm find dl​

Answer 1

Answer:

refer the attachment above

Answer 2

Given DL ⊥ AB and DM ⊥ BC

Taking BC as the base, BC = 12 cm and altitude DM = 9.3 cm

We know that

area of parallelogram ABCD = Base x Altitude

= (12 cm x 9.3 cm)

= 111.6 c m2 ….. Equation (i)

Now, by taking AB as the base,

We have,

Area of the parallelogram ABCD = Base x Altitude

= (18 cm x DL) ….. Equation (ii)

From (i) and (ii), we have

18 cm x DL = 111.6 cm2

DL = 111.6/18

= 6.2 cm

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