English, asked by ashinantony968, 2 months ago

एक काउंसिल फायर ऑफ वर्किंग बेस डायमीटर 10 मीटर मीटर एंड हाइट 12 सेंटीमीटर स्क्वायर फायरवर्क्स आवडीने कलर बेबसी प्राइस ₹2 स्क्वायर मीटर व्हाट इज द टोटल कॉस्ट​

Answers

Answered by khushi05shah44
1

Answer:

In given figure wooden right circular cylinder radius 2 m and height 6 m

In cylinder hole of diameter 2 m drilled though center

Then total surface area of resulting figure = area outer curved surface + area of two circular ends + area outer curved surface − area of two circular end of hole = 2π×2×6+2π(2)

2

+2π×1×6−2π×(1)

2

=24π+8π+12π−2π

=42π

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