Step-by-step explanation:
Area= πr²
25 = 22/7×r²
r²=25×7/22
r²=7.9
r=√7.9
r=2.8
length of AB =2.8+2.8
=5.6
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Step-by-step explanation:
Area= πr²
25 = 22/7×r²
r²=25×7/22
r²=7.9
r=√7.9
r=2.8
length of AB =2.8+2.8
=5.6