Question

Q.3 Solve the following.

1. Find the value of: 16 (- 5) / (5/4) = ?

2. Construct an equilateral triangle of side 5.5 cm.

3. The length and breadth of rectangular piece of land are 400 m and 200 m respectively. Find its area.

4. Find the area of following parallelogram whose Height = 4.4 cm and base =2 cm.

5. Find Circumference of circle with radius 35 cm.

6. Add 5m-7n , 3n - 4m + 2 , 2m -3mn -5

7. If p = - 2 find the value of - 4p + 3 .

8. Find the value of 7 ^ 3 .


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Answer 1

Answer:

1. -64

3. 400*200=80000

4. 4 .4*2= 8.8

5. 2*3.14*35= 219.8

6. 3m-4n-3mn+2

7. 11

8. 343