Answer: The answer is 314.28 cm² (approx.).
Step-by-step explanation: Given that an engineer is going to install a new water pipe. The diameter of this circular pipe is, d = 20 cm.
We need to find the area 'A' of the circular cross-section of the pipe.
Given, diameter of the circular section is
So, the radius of the circular cross-section will be
Therefore, cross-sectional area of the pipe is
Thus, the answer is 314.28 cm² (approx.).
Answer:
sorry
Step-by-step explanation:
எனக்கு maths ஒழுங்கா வராது
The answer is B hope this helps
x=2.5
Step-by-step explanation:
substitute y for 4 and simplify
Step-by-step explanation:
where is the line? pls share it