Question

Four equal circles, each of radius 'a' touch one another. Find the area between them.
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Answer 1

Answer:

Materials like air, water, and clear glass are called transparent. When light encounters transparent materials, almost all of it passes directly through them. Glass, for example, is transparent to all visible light. Translucent objects allow some light to travel through them.

Step-by-step explanation:

Answer 2

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জ়িয়তে কৰে যাৰ দ্বাৰা কিছুকাল আছিল এই যুদ্ধৰ ফলতে এই য় কৰা দেখা গৈছিল যদিও আজিকালি এনেদৰে অসম