" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
= 2 x 50
= 100⁰
luas juring AOB = (100/360 ) x π x r x r
= ( 10/36) x ( 22/7) x 21 x 21
= 385
= 100/360 × 22/7 × 441
= 5/18 × 22/7 ×441
= 5/18 × 1386
= 385 cm²