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which of the following sets of numbers could be the lengths of the sides of a triangle?
a. 3.5 cm, 7 cm, 10.5 cm
b. 3.5 cm, 7 cm, 14 cm
c. 3.5 cm, 3.5 cm, 3.5 cm
d. 3.5 cm, 5 cm, 10 cm

answer: i'm great at algebra

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step-by-step explanation:

(2x + 16) + (x) = 180

step-by-step explanation:

given,

abcd is a quadrilateral inscribed in a circle

angle a is labeled x plus 16, (x + 16)

angle b is labeled x degrees, (x)

angle c is labeled 6x minus 4, (6x – 4)

angle d is labeled 2x plus 16, (2x + 16)

what equation can be used to solve for angle b?

we know that the sum of the opposite angles of a simple quadrilateral inscribed in a circle is 180 degrees.

angle b is opposite angle d

therefore, angle b + angle d = 180

(x) + (2x + 16) = 180 

same as (2x + 16) + (x) = 180

there are no answer choices

step-by-step explanation: