Answer:
HCF of 120 and 180 is 60 and hence a measuring tin of 60 litre volume should be bought.
Answer:
0.1
Step-by-step explanation:
the marked angles are complementary → B
All 3 triangles are right with one angle = 90°
the sum of the angles in a triangle = 180°
thus the remaining 2 marked angles sum to 90°, thus are complementary
Answer:

Step-by-step explanation:

Put n = 2 and next n = 3 to the recursive formula:

can you make the pic little more clear if you can :)