Question

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Answer 1

Explanation:

Answer is in the top ....attach pic

Answer 2

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Let the paper is folded 3 times .

Area of first rectangle with :

Length → 8cm

Breadth → 1 cm

Area :

→ L × B

→ 8 × 1

→ 8 cm²

Area of second rectangle with :

Length → 8 cm

Breadth → 0.5 cm

Area :

→ L × B

→ 8 × 0.5

→ 4 cm²

Area of third rectangle with :

Length → 8 cm

Breadth → 0.25 cm

Area :

→ L × B

→ 8 × 0.25

→ 2 cm²

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The sequence :

→ 8 , 4 , 2 , 0 , -2 , -4 , -8

Because , Paper can be folded 7 times only !!!!