The measure of the central angle is 89.95 degree or 1.57 radians if the radius of the circle is 7 cm.
<h3>What is a circle?</h3>
It is described as a set of points, where each point is at the same distance from a fixed point (called the centre of a circle)
We have a length of an arc of a circle of radius 7 is approximately 10.99 cm.
The radius r = 7 cm
The arc length l = 10.99 cm
We know,
l = rθ
θ is the central angle.
θ = l/r = 10.99/7 = 1.57 radians
To convert 1.57 radians into the degree multiply it by 180/π
θ = 89.95 degree
Thus, the measure of the central angle is 89.95 degree or 1.57 radians if the radius of the circle is 7 cm.
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Hello,
f(x)=-(x-4)²=-(x²-8x+16)=-x²+8x-16
Answer B
Answer:
8y x 9 ⇒ 72y
Step-by-step explanation:
The correct answer to this question is "<span>7 times square root of 74 over 74."</span>
First, we need to get for the "r."
<span><span>r^2 </span>= (−5<span>)^2 </span>+ <span>7^2
r^2 = 25 + 49
r^2 = 74
r = square root of 74
Then, after that, we need to formulate the equation of a sin:
sin x = 7 / r
sin x = 7 / sqrt(74)
sin x = 7 * sqrt (74) / 74</span></span>