Which of the rectangles in the picture could be the image of rectangle A after a sequence of reflections, rotations and/or trans
lations? Select all correct answers.
A. Rectangle 3
B. Rectangle 4
C. Rectangle 2
D. Rectangle 1
E. Rectangle 6
F. Rectangle 5
A. Rectangle 3
B. Rectangle 4
C. Rectangle 2
D. Rectangle 1
E. Rectangle 6
F. Rectangle 5
1 answer:
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Answer:
6.2832 square units (rounded off to four decimal values)
Step-by-step explanation:
Area of a semicircle = × π × r²
r (radius) = 2 units
For our semicircle the area = × π × 2² = 6.28318530718 square units
Or 6.2832 square units (rounded off to four decimal values)
Hi there!
To derive an equation given the points, we can use the slope formula:
Plug in the corresponding coordinates:
Simplify:
Therefore, we have:
y = -4x + b
Plug in the x and y values for a coordinate to solve for b:
2 = -4(1) + b
2 = -4 + b
b = 6
The equation is:
y = -4x + 6. The correct answer is D.