Mathematics, 16.07.2019 09:10 AbhiramAkella

Hat is the approximate area of the circle shown below?
a. 60 in 2
b. 119 in 2
c. 4536 in 2
d. 1134 in 2
me

Hat is the approximate area of the circle shown below? a. 60 in 2b. 119 in 2

Answers: 2

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Answer from: aahneise02

d. 1134 inches squared

Step-by-step explanation:

The formula for the area of a circle is $\pi r^2$

where r is the radius.

You are given r=19 here so replace r in $\pi r^2$ with 19 giving us:

$\pi (19)^2$

Then it is to the calculator we go:

1134 inches squared

Answer from: Quest

Answer: question no. 1 -a. yes, the sides are in the ratio 2 : 5.question no. 2 -b. 59°question no. 3 -c. angles x and y are remote interior angles.question no. 4 -d. 90°, 45° and 45°question no. 5 -b. mn and qrstep-by-step explanation: question no. 1 -rs : xu = 3 : 7.5 = 2 : 5rt : x? = 6.4 : 16 = 2 : 5st : u? = 6 : 15 = 2 : 5as the ratios of all sides are equivalent, the triangles must be congruent and the sides must be proportional.therefore, the answer is: a. yes, the sides are in the ratio 2 : 5.question no. 2 -in the second diagram, angle b is the only letter not shown. therefore, the number must be equivalent to angle b.if we substitute the value of angle b as being 22° in the first diagram, we can now use the angle sum of a triangle to obtain the value of angle a.angle sum of a triangle = 180°therefore: let angle a = aa + 99 + 22 = 180a = 180 - 99 - 22a = 59°therefore, the answer is: b. 59°question no. 3 -angles x and y don't share the vertex of the triangle with the exterior angle w. remote interior angles don't share a vertex of a triangle with an exterior angle. this means that angles x and y are remote interior angles.therefore, the answer is: c. angles x and y are remote interior angles.question no. 4 -the sum of all interior angles of a triangle must be equivalent to 180°.90°, 45° and 45° are the only set of angle measures that are equivalent to 180°.therefore, the answer is: d. 90°, 45° and 45°question no. 5 -the only pair of sides stated in the options which are corresponding are mn and qr.therefore, the answer is: b. mn and qr.

Answer from: Quest

Ineed on quadratic equations to solve problems
In the diagram below, what is the approximate length if the minor arc de?

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Hat is the approximate area of the circle shown below?
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