Question

3)If the adjacent sides of a parallelogram are 4 cm and

6 cm then its perimeter is__________

a)16cm. b)20cm

b)24cm d)15cm

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Answer 1

Answer:

without height we can't find area, perimeter is 2(4+6)=20

Answer 2

perimeter of parallelogram = 2(l + b)

here l = 6 cm , b = 4 cm

perimeter = 2 ( 6+ 4)

perimeter = 2 × 10 = 20 cm

option (b) 20 cm

hope it helps !!