Answer:
B. x = 5 and y = -13
Step-by-step explanation:
Equating real parts, we have ...
... x + 4 = 9
... x = 9 - 4 . . . . subtract 4
... x = 5
___
Equating imaginary parts, we have ...
... yi +9i = -4i
... yi = -4i -9i = -13i . . . . subtract 9i
... y = -13 . . . . . . . . . . . divide by i
Answer:
Step-by-step explanation:
Base (B) = 14.5
Height (H)= 7.1
Area of Δ =1/2 × B × H
Answer:
x=28
Step-by-step explanation:
Quadrilateral refers to a shape that has four sides. quad means four; lateral means side.
A quadrilateral has the following characteristics.
1) 4 sides or 4 edges
2) 4 vertices or 4 corners
3) the interior angles add up to 360 degrees.
It also is 2-dimensional, all sides are straight, and its lines close.
Examples of quadrilateral shapes are:
1) square
2) rectangle
3) rhombus
4) parallelogram
5) trapezoid
6) kite
