a piece of wire 54 cm long is bent into the shape of semicircular arc bounded by its diameter. find its radius
Answers
Answered by
12
Answer:
Length of wire-54 cm long
Acc. to question
54-πr+2r
54-r(π+2)
54-r(22÷7+2÷1)
54-r×36÷7
r-378÷36
=10.5cm
Answered by
2
Answer:
10.5cm
Step-by-step explanation:
Length of the wire=54cm long
∴ The radius= 54-πr+2
=54-r(π+2)
=54-r(22/7+2)
=54-r×36/7
=10.5cn
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