Question

4. Solve the equation : 5y + 10 = 4y - 10
5. Identify alternate angles and corresponding angles from the given figure (i):-
Fig.(i)
6. Construct an angle of 120° by using compasses and ruler. Also label it.
II. Solve the following
(3 X 8= 24)
7. Write the smallest 4-digit number and show its prime factorisation.
8. Find the value of the following: (1834 x 465 - 834 x 465)
9. The monthly consumption of milk in a family is 240 litres. If due to festival the consumption of
milk increased by 40% . Find the present consumption of milk.
10. Find the sum by using column method : 4x +3y +5xy ; 2x +10y -2xy and – 3x – 3y – 5xy
11. Solve and check the solution in the following equation : 4x – 4 = 5 + x
12. Complete the following using the given figure (ii)
(a) Vertex of 21 is
(b) Another name of 22 is
(c) Common arm of 21 and 22 is
Fig.​

Answer 1

Answer:

Step-by-step explanation:

1)∠4,∠8;∠1,∠5;∠3,∠7;∠2,∠6

2)∠3,∠5;∠2,∠8

3)∠3,∠8;∠2,∠5

4) ∠1,∠3;∠2,∠4;∠5,∠7;∠6,∠8