यदि एक अर्धवृत्त आकार प्लेट की त्रिज्या की लंबाई 10.5 सेंटीमीटर है तो अर्धवृत्त आकार प्लेट का परिमाप कितना होगा
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Answer:
54 m.
Step-by-step explanation:
perimeter of a half square plate is = πr+2r
22/7×10.5+2×10.5 =54 m.
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