a rectangular paper, when folded into two congruent parts had a perimeter of 3

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Question

a rectangular paper, when folded into two congruent parts had a perimeter of 34 cm for each part folded along one set of sides and the same is 38 cm when folded along the other set of sides.

Options:

A . 340 cm²

B . 240 cm²

C . 140 cm²

D . 40 cm²

Answer: Option C
Explanation :

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Question 5. a rectangular paper, when folded into two congruent parts had a perimeter of 34 cm for each part folded along one set ....38 cm when folded along the other set of sides.

Question 6. if the radius of a sphere is increased by 2 cm, then its surface area increases by 352 cm² . the radius of the sphere....the radius of the sphere before the increase was :

Question 7. find the height of the mountain, if the slant height of a conical mountain is 2.5 km and the area of its base is 1.54 ....and the area of its base is 1.54 km² .

Question 8. a rectangular paper, when folded into two congruent parts had a perimeter of 34 cm for each part folded along one set ....38 cm when folded along the other set of sides.

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