" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Luas = π × r² = 22/7 × 7 cm ×7 cm = 154 cm²
2) r = 10 cm
Luas = π × r² = 3,14 × 10 cm × 10 cm = 314 cm²
3) r = 28 cm
Luas = π × r² = 22/7 × 28 cm × 28 cm = 2464 cm²
4) r = 36 cm
Luas = π × r² = 3,14 × 36 cm × 36 cm = 4069,44 cm²
5) r = 34 cm
Luas = π × r² = 3,14 × 34 cm × 34 cm = 3629,84 cm²
6) r = 21 cm
Luas = π × r² = 22/7 × 21 cm × 21 cm = 1386 cm²
7) r = 20 cm
Luas = π × r² = 3,14 × 20 cm × 20 cm = 1256 cm²
8) r = 24 cm
Luas = π × r² = 3,14 × 24 cm× 24 cm = 1808,64 cm²
9) r = 42 cm
Luas = π × r² = 22/7 × 42 cm × 42 cm = 5544 cm²
10) r = 38 cm
Luas = π × r² = 3,14 × 38 cm × 38 cm = 4534,16 cm²
2.) r = 10 cm
L =3,14 x 5 x 5
=78,5
3.) r = 28 cm
L = 22/7 x 14 x 14
= 22 x 2 x 14
=616
4.) r = 36 cm
L = 3,14 x 18 x 18
= 1017,36