Answer:
Your answer is 539.93
Step-by-step explanation:
A = pi*r²
A = pi* 13²
A = pi*169
A = 539.93
ARTINYA: dua sosok geometris yang ukurannya proporsional adalah gambar...
5, -⅓
x = 2:
4x + 3y = 23
3y = 23 - 4(2)
3y = 15
y = 5
x = 6:
3y = 23 - 4(6)
3y = -1
y = -⅓
-72rs