Answer:
129.89 m²
Step-by-step explanation:
Area of a circle of radius r is A = πr².
If r = 6.43 m, then A = π(6.43 m)² = 129.89 m²
Answer:
210
Step-by-step explanation:
10+10+1=21
21 x 10=210
X + 9 = 2x - 3
<u>-x -x </u>
9 = x - 3
<u> +3 +3</u>
12 = x
Composite because number that are greater than 5 are composite
Answer:
я не знаю потому что я не говорю по русски
Step-by-step explanation: