2 years ago

BOSE

Mathematics

1 answer:

Lina20 [59]2 years ago

8 0

Answer:

a = 1 ; b = -8 ; c = -5

Step-by-step explanation:

f(p) = p² - 8p -5

a = co-efficient of p² = 1

b = co-efficient of p = -8

c = constant = -5

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If the arc length of a sector in the unit circle is 4.2, what is the measure of the angle of the sector?

iren [92.7K]

Bear in mind the Unit Circle is called so, because its radius is exactly 1, thus just 1 unit, the Unit Circle

anyway $\bf \theta=\cfrac{180s}{\pi r}\qquad 
\begin{cases}
\theta=\textit{central angle in degrees}\\
r=radius\\
s=\textit{length of the arc}\\
----------\\
s=4.2\\
r=1
\end{cases}\implies \theta=\cfrac{180\cdot 4.2}{1\cdot \pi }$