Answer:
2. (3,4)
Step-by-step explanation:
Answer:diameter=9.92m
Step-by-step explanation:
Area=77.28
π=3.14
Area=π x (d/2)^2
77.28=3.14 x (d/2)^2
Divide both sides by 3.14
77.28/3.14=(3.14x(d/2)^2)/3.14
24.6=(d/2)^2
Take them square root of both sides we get
d/2=√(24.6)
d/2=4.96
d=4.96 x 2
d=9.92
Answer:
30 cm
Step-by-step explanation:
2 * 15: 5 * 15
30:75
Answer:
1 is 2x45
2 is x348
3 is x78
4 is x89
Step-by-step explanation:
