Please provide an image for us
Answer:
this is a right angled triangle
Step-by-step explanation:
It has a 90 degree angle
the hypotenuse is the longest
The other two sides adjacent to the right angle are perpendicular
It could also be called an isosceles right angled triangle
She can choose any one of 3 sweaters. <u>For each</u> choice of sweater . . .
She can choose any one of 4 skirts.
The total number of different ways to choose an outfit = (3 x 4) = 12 .
X= -3B + 2A
= [ 9 21 ] + [ 8 -2 ]
-21 -3 10 4
comparing the corresponding elements,
X= [ 9+8 21-2]
-21+10 -3+4
X= [17 19 ]
-11 1
