A rectangular image of length 5 cm and width 7 cm is magnified in a studio. On magnification, 1 cm of the image represents 15cm. Find the perimeter of the rectangle in the magnified image.
2 answers:
Answer:
238 cm
Step-by-step explanation:
so we have a scale factor of 17: 1
originally we had the dimensions: 3cm by 4m
now we have 3*17 by 4*17 = 51 cm by 68 cm
Perimeter = 2*51 + 2*68 = 238 cm
Answer:
360 cm
Step-by-step explanation:
The height of the magnified image is the product of the height of the original image and the scale factor.
h=15(7) cm.
Simplify.
h=105 cm.
The width of the magnified image is the product of the width of the original image and the scale factor.
w=15(5) cm.
Simplify.
w=75 cm.
So, the perimeter is
P=2(75)+2(105) cm.
Simplify.
P=360 cm.
Therefore, the perimeter of the painting is 360 cm.
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Hope this helps!
