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3 years ago

What is the arc length when θ = 3 pi over 5 and the radius is 7 cm? (5 points)

1 answer:

4 0

The correct answer is 21π/5

Explanation:
The arc length of a circle is given as = radius × angle subtended by the arc at centre.
Here, r = 7 cm.
θ = 3π/5
Therefore, arc length, l = rθ = 7×3π/5 = 21π/5

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The coordinates of endpoint V is (7,-27)

Solution:

Given that the midpoint of line segment UV is (5,-11) And U is (3,5).

To find the coordinates of V.

The formula for mid-point of a line segment is as follows,

Midpoint of UV is $\frac{x_{1}+x_{2}}{2}$ , $\frac{y_{1}+y_{2}}{2}$

As per the formula, $\frac{x_{1}+x_{2}}{2}$ =5, $\frac{y_{1}+y_{2}}{2}$ =-11

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3 years ago

3 15/16 divided by 2 5/8Ask your question here

Alexeev081 [22]

$\frac{3 \frac{15}{16} }{2 \frac{5}{8}} \\ \\ \frac{ \frac{63}{16} }{ \frac{21}{8} } \\ \\ \frac{63}{16}*\frac{8}{21} \\ \\ \frac{63*8}{16*21} \\ \\ \frac{504}{336} \\ \\ 1 \frac{168}{336} \\ \\ 1 \frac{168:168}{336:336} \\ \\ 1 \frac{1}{2}$

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3 years ago