If the parallel sides of a parallelogram are 2 cm apart and their sum is 10 cm then its area is:

- a)20 cm
^{2} - b)10 cm
^{2} - c)5 cm
^{2} - d)none of these

Correct answer is option 'B'. Can you explain this answer?

Related Test: Mensuration - MCQ

3 Answers

Sharda
answered
Feb 15, 2020

Distance between the two parallel lines = h =2 cm

sum of length of sides =10cm

As we know the sides of parallelogram are equal

let the length of side be 'b' =base of parallelogram

2b =10

b = 5 cm

area of parallelogram = h×b

= 2×5

=10 cm^{2}

sum of length of sides =10cm

As we know the sides of parallelogram are equal

let the length of side be 'b' =base of parallelogram

2b =10

b = 5 cm

area of parallelogram = h×b

= 2×5

=10 cm

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