Answer:
147
Step-by-step explanation:
Since it says need to use 3 to represent pi
well show the formula.
The radius is 7 so we square it, and do the formula.
A=3r²
A=3*49
A=147
Answer:
Step-by-step explanation:822.73
Answer:
7.065 sq. cm
Step-by-step explanation:
Diameter= 3 cm
Since 2r=d, the radius is 1.5 cm
Circle area formula:
πr^2 --> 3.14(r^2)
Plug in r:
A=3.14(1.5^2)
A=3.14(2.25)
A=7.065
Answer:
Do it by yourself!!
Step-by-step explanation:
This is not homework it is your test so you should do it by yourself!!
Answer:
it is 125°
Step-by-step explanation:
alternate interior angles are equal
