Question

Two concentric triangles with radius 8cm and 22cm . The distance between their circumference is. ​

Answer 1

Answer:

The perimeter of 1st circle is

redi= 8cm

circumfrance/perimeter=

$2 \times 22 \div 7 \times 8$

=50.28(ans)

the perimeter of 2nd circle is

redi=22cm

circumfrance/perimeter=

$2 \times 22 \div 7 \times 22$

=138.28cm(ans)

the difference is

$138.28 - 50.28$

=88cm(ans)

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