Jawab:
4.a. L=πr²
K=π.2.r=π.d
1/2 L lingk= 1/2 .22/7.28.28=11.4.28=1232cm²
1/2 K lingk= 1/2. 22/7.2.28= 88cm
b. r=14cm
3/4 L lingk= 3/4. 22/7. 14.14=462cm²
3/4 K lingk= 3/4. 22/7.2.14=66cm
A.Luas lingkaran=phi x r x r
=22/7 x 14 x 14=616
Note no a dan b sama aja jawbanya
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Jawab:
4.a. L=πr²
K=π.2.r=π.d
1/2 L lingk= 1/2 .22/7.28.28=11.4.28=1232cm²
1/2 K lingk= 1/2. 22/7.2.28= 88cm
b. r=14cm
3/4 L lingk= 3/4. 22/7. 14.14=462cm²
3/4 K lingk= 3/4. 22/7.2.14=66cm
A.Luas lingkaran=phi x r x r
=22/7 x 14 x 14=616
Note no a dan b sama aja jawbanya