A cylindrical tank open at the top has a base of radius 10.5 cm and height 14 cm. Find the cost of the painting the inner part of the vessel at the rate of 10 per sq m.
please solve krdo sum
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Step-by-step explanation:
r = 10.5 cm
h = 14 cm
inner area = inner curved surface area + base area
= 2πrh + πr²
= 2×(22/7)×14×10.5 + (22/7)×10.5²
= 1270.5 cm²rate
= ₹10 per cm²cost
= 1270.5×10
= ₹12705
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Answer:
Trigonometry, the branch of mathematics concerned with specific functions of angles and their application to calculations. There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).
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