1) 136 is the circumference of a circle with what area? we know C=πd.
136=πd
136/π=d
d=43.290 so the radius is half that, or
r=21.645
taking area as our measure of size,
A=πr²
A=π•21.645²
A=1471.855. answer C is closest. difference is in how they and I rounded
2) c, e, and f
Answer:
23x-1
Step-by-step explanation:
Answer:
b = c − 2a
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2
Step-by-step explanation:
2a + 2b = c
2b = c − 2a
b = c − 2a
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2
Answer:
10700 to the 7 power ould be your answer
Step-by-step explanation:
10700