12 cm 4 cm
9 cm
What is the area of the rectangle? (Select]
What is the area of the triangle? (Select ]
What is the area of the shaded region (rectangle - triangle)?
[ Select]

step-by-step explanation:

if you meant, "on the way from (3, 2) to (3, 14):

x does not change; y increases by 12.

ensure that you have copied down this problem correctly.   .

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

step-by-step explanation:

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step-by-step explanation: