" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Panjang busur= 72°/360° × π × d
= 72°/360° × 22/7 × 42 cm
= 1/5 × 22/7 × 42 cm
= 26⅖ cm
= 26,4 cm