SOS
A tabletop in the shape of a trapezoid has an area of 6,909 square centimeters. Its longer base measures
123 centimeters, and the shorter base is 65 centimeters. What is the height?
The height of the tabletop is
centimeters.

answer is c

step-by-step explanation:

81/12=324/x

x=48

answer: (-8,4) are the coordinates of a

step-by-step explanation:

let the side of square abcd is x .

thus the area of square abcd is .

now, by the diagram area of triangle ead= 1/2 × ea × ad = 1/2 × ea × x

( because ad is the side of square)

and, according to the question,

the areas of square abcd and right ead are equal.

⇒

⇒ea=2x

thus, ea: ab=2: 1

therefore, point a divides line segment eb into the ratio 2: 1.

⇒ by sectional formula coordinates of a are,

=

=

=(-8, 4)

thus the coordinates of a are (-8,4)

i think the answer is 90 hope this

y= -2x+4, have a great day