Solve the equation and check your solution for -14=k+6
1 answer:
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Answer:
20.25 m²
Step-by-step explanation:
the area (A) and circumference (C) of a circle are calculated using the formulae
C = 2πr and A = πr² ( where r is the radius )
calculate the radius using the formula for circumference
2πr = 9π ( divide both sides by 2π )
r = =
= 4.5, hence
A = π × 4.5² = 20.25π m²
Answer:
Step-by-step explanation:
Notice that .
The diagram already marks , so we just need to find
.
and
are vertical angles, which means they are equal in measure.
Therefore,
Since there are on each side of a line, we have the following equation:
.
Plugging in , we have:
.
Therefore,
.