Answer:
B.6
Step-by-step explanation:
d=12 m
r=12(12m)=6 m
A=π(6m)^2
A=113.10 m^2
Answer:
D
Step-by-step explanation:
The diagram is attached.
Looking at the diagram, we want the side "opposite" of the angle given and the side "adjacent" is given.
Which ratio relates opposite and adjacent? It is Tan.
We can use trigonometry and tan ratio to solve for the distance "x":

D is the correct answer.
The third one....,..............................
Answer:
The interest for the two years is Rs 51.
Step-by-step explanation:
Rate, R = 4 %
Compound interest for 1 year = Rs 25
Let the sum is P.
For first year,

For 2 year

Interest is
Interest = Rs 676 - Rs 625 = Rs 51