tolong tolong tolong tolong no. 22 & 24 ajaaaaa kls 6666

22
Keliling lingkaran
K = 2 x pi x r
K = 2 x 3,14 x 25 cm
K = 157 cm

Jawabannya B

24
Luas lingkaran
L = pi x r x r
L = 3,14 x 10 cm x 10 cm
L = 314 cm²

Jawabannya B

22.
[tex]2\pi \times r \\ 2 \times 3.14 \times 25 \\ 6.28 \times 25 \\ 157[/tex]
jawaban = b

23.
[tex] \frac{1}{2} a \times t \\ \frac{1}{2} 36 \times 20 \\ 36 \times 10 \\ 360[/tex]
jawaban =c

24.
[tex]\pi \times r {}^{2} \\ 3.14 \times 10 \times 10 \\ 314[/tex]
jawaban = b