" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Jari-jari 1/4 lingkaran = 7 cmmaka,
Jari-jari lingkaran = 4 x 7 = 28 cm
rumus Kel. lingkaran =>
2 x phi x r
Cara =>
K. busur lingkaran = 2 x 1/4 x 22/7 x 28
K. busur lingkaran = 44 cm
Jadi,
K. 1/4 lingkaran = ( 2 x 28 ) + 44
= 100 cm ( B )
Verified answer
Bab Lingkaran1/4 r=7
r=7×4/1=28 cm
d=2r=2(28)=56 cm
K=2×1/4×22/7×28
K=2×1/4×22/7×28
K=1.232/28
K=44 cm
K 1/4 Lingkaran=2r+K
K 1/4 Lingkaran=2(28)+44
K 1/4 Lingkaran=56+44=100 cm ( B )
Semoga Membantu +____+