The side of a square having area 64cm² is

l=8cm

Step-by-step explanation:

soln

given

a=64cm^2

we have formula

a=l^2

or. 64cm^2=l^2

or. (8cm)^2=l^2

or. 8cm=l(square cancel another square)

therefore length is 8cm

(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