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A catchment area is in the form of a sector of circle of radius 3km and angle 30°. Its hydrograph can
be approximated to a traingle having time base = 12 hr. The effective rainfall during the storm of 6-hr
duration is 3cm. The peak of this hydrograph will be
be approximated to a traingle having time base = 12 hr. The effective rainfall during the storm of 6-hr
duration is 3cm. The peak of this hydrograph will be
_____________ m3/s
Correct answer is between '3,4'. Can you explain this answer?
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Most Upvoted Answer
A catchment area is in the form of a sector of circle of radius 3km an...
°.
To find the area of the catchment area, we can use the formula for the area of a sector of a circle:
Area = (θ/360) x πr^2
where θ is the central angle in degrees, r is the radius of the circle, and π is the constant pi (approximately 3.14).
Plugging in the given values, we get:
Area = (30/360) x π x 3^2
Area = (1/12) x π x 9
Area = (3/4)π
Area ≈ 7.07 km^2
Therefore, the area of the catchment area is approximately 7.07 square kilometers.
To find the area of the catchment area, we can use the formula for the area of a sector of a circle:
Area = (θ/360) x πr^2
where θ is the central angle in degrees, r is the radius of the circle, and π is the constant pi (approximately 3.14).
Plugging in the given values, we get:
Area = (30/360) x π x 3^2
Area = (1/12) x π x 9
Area = (3/4)π
Area ≈ 7.07 km^2
Therefore, the area of the catchment area is approximately 7.07 square kilometers.
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A catchment area is in the form of a sector of circle of radius 3km and angle 30°. Its hydrograph canbe approximated to a traingle having time base = 12 hr. The effective rainfall during the storm of 6-hrduration is 3cm. The peak of this hydrograph will be_____________ m3/sCorrect answer is between '3,4'. Can you explain this answer?
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