Question

plz answer me all answer

Answer 1

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Answer 2

Answer:

1. Area of rectangle=Length × breadth

21 2 × 9 3 = 3120 = 208

3 5 15

2. Area of square= Side ×Side

7 1 × 7 1 = 841 = 52.5625

4 4 16

3. a) 3×7 = 21 = 21

7×3 21

b) -9×-1 = 9 = 9

9 9

c) 1 × 2 = 2= 2

-2 -1 2

4. ans=8

165

5. -24 or -12

14 7

6. Closure property

Commutative property

Associative property

Existence of identity property

Existence of inverse property

Distributive property

Property for 0

7. 769 or 263

45 15