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Answer:
1 . diameter is 34 cm
2 . circumference is 31.2
Answered by
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Step-by-step explanation:
According to question
Area of circle = π(5)² + π(12)²
= π( 25+144 )
= π(169)
Therefore
πr² = π(169)
r² = 169
Now
r = 13cm
Diameter= 26cm
Circumference of larger circle = 2πr
=2 × 3.1 × 12
=74.4cm
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