Self Practice 3.1g Ai Ling has a piece of square cloth. The area of the cloth is betwe
12 100 cm. She wants to use the cloth to sew a piece of square t
the surface of a square table. The length of each side of the table
(a) What is the length of the cloth, in cm, that Ai Ling should se
(Assume that the length of the cloth is a whole number.]
(b) Ai Ling plans to decorate the surrounding sides of the tablecle
that is 4.5 m long so that the tablecloth will look nice. Is the
lace enough? Give a reason for your answer.​

arc length = 6.63311 ft.

step-by-step explanation:

the formula the arc measure is:

arc length s=2πr(c)/360

where:

c   is the central angle of the arc in degrees

r   is the radius of the arc

π   is pi, approximately 3.142

using the above formula we get

s =

thus we find that arc length of an arc for a circle of radius 20 feet and central angle 19 degrees is

6.63311 feet

option (a)

step-by-step explanation:

step 1:   take 2 number whose product equal to 25..

and sum of those two number are -10

step: 2 for example here if we take 5,5 are the number,,

5*5=25

and

5+5=10

but we need -10

so if we take   -5,-5

so -5*-5=25

and -5+(-5)=-10

s0

come the equation

replace -10x by these number

like -5x -5x+25

take common

x(x-5)-5(x-5)=0

(x-5)(x-5)=0

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