What are the coordinates of the red dot? O (2,5)
10
(5,2)
O (-5,2)
-5
0 (-5,-2)
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K
-10
-5
0
6
10
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- 10

(5, 2)

Step-by-step explanation:

Coordinates of a point in a coordinate plane is usually written as (x, y). This point contains the value of x and its corresponding y value.

The red dot on the plane given, if you trace it down to the x-axis, it is at x = 5, while if you trace it horizontally against the y-axis, you'd have y = 2.

Therefore, the coordinates of the red dot is (5, 2).

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2