The rectangle abcd is centered at the origin. c has the coordinates (w-v). determine the coordinates of a, b, and d.
a. al-w, -v), b(-w, v), d(w, v)
b. al-w,-v), b(w, v), d(-w, v)
c. a(w, v), b(-w,-v), d(-w,-1)
d. a(-w, v), b(w, v), d(-w,-v)

Step-by-step explanation:

The co-ordinates of C is (W, -V).

The co-ordinate of C indicates that it is in the fourth quadrant.

A lies diagonally opposite to that of C, that is A is in the second quadrant.

Since, the rectangle is centered at the origin, the mod values of the points' co-ordinates will be same.

Hence, the co-ordinates of A will be (-W, V), as it is in the second quadrant.

Only the option D tells the same.

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²