9. Perform the following operation observing proper significant digits. 323.7 cm + 100 cm + 6.8 cm
430.51 cm
431 cm
429.0 cm
430.5 cm

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)

3.73 * 10^7 is the anser for ttm ur welcome < 3

step-by-step explanation:

is there any other information given for this problem? this is not enough information.